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Learn how the NIST Cybersecurity Framework helps cloud security teams manage risk, govern access, and preserve audit-ready evidence across hybrid networks What is the NIST Cybersecurity Framework and how can it help with cloud security? ---- ------- Schedule a Demo Select a size ----- Get the latest insights from the experts Choose a better way to manage your network

Learn from expert-crafted firewall ruleset examples and best practices. Optimize your security posture with actionable guidance and improve your firewall configurations. Firewall ruleset examples & policy best practices ---- ------- Schedule a Demo Select a size ----- Get the latest insights from the experts Use these six best practices to simplify compliance and risk White paper Learn how AlgoSec can help you pass PCI-DSS Audits and ensure Solution overview See how this customer improved compliance readiness and risk Case study Choose a better way to manage your network

Zero trust vs micro segmentation Select a size Which network Can AlgoSec be used for continuous compliance monitoring? Yes, AlgoSec supports continuous compliance monitoring. As organizations adapt their security policies to meet emerging threats and address new vulnerabilities, they must constantly verify these changes against the compliance frameworks they subscribe to. AlgoSec can generate risk assessment reports and conduct internal audits on-demand, allowing compliance officers to monitor compliance performance in real-time. Security professionals can also use AlgoSec to preview and simulate proposed changes to the organization’s security policies. This gives compliance officers a valuable degree of lead-time before planned changes impact regulatory guidelines and allows for continuous real-time monitoring. Microsegmentation Zero Trust: How Microsegmentation Drives Zero Trust Success Microsegmentation zero trust is the practice of enforcing zero trust principles through fine‑grained, application‑aware segmentation at the workload and service level. Companies today are turning to microsegmentation, a granular form of network segmentation, to contain attacks quickly, prove least‑privilege access, and simplify compliance across hybrid environments. Despite still having to spend an average of $4.4 million per breach, according to IBM's Cost of a Data Breach Report 2025 , this is 9% lower than 2024. That drop ties directly to faster identification and containment—outcomes microsegmentation accelerates by limiting lateral movement and shrinking the blast radius from the first indicator of compromise. In yet another study, Verizon’s 2025 Data Breach Investigations Report , more than 12,000 confirmed breaches demonstrated how multi-stage intrusions use lateral movement, which microsegmentation technology directly addresses. Meanwhile, the Payment Card Industry Data Security Standard (PCI DSS) requires network segmentation for system scope reduction, which leads to decreased audit work and better system isolation. Taken together, these findings underscore a simple point: Organizations need application‑aware controls—specifically microsegmentation—to stop attackers from moving between systems and to operationalize zero trust. This article discusses the zero trust vs. micro‑segmentation debate, explains how zero trust and microsegmentation in fact work together, and provides a path to design, enforce, and operate this approach. What Is Microsegmentation? Microsegmentation divides networks into small, secure domains that match workload requirements and user/service identities with explicit allow‑rules to stop lateral movement. Network security today benefits from application-based boundaries, i.e., policies applied where applications actually communicate—not just subnets and VLANS. In practice, that means protecting individual workloads and the communication between them across data centers, public clouds, containers, and endpoints—rather than vaguely “protecting components” or “locations.” What Is the Difference Between Traditional (Macro) and Micro-Segmentation This comparison comes down to a difference in approach: Macro-segmentation uses broad VLANs and subnets or DMZs to divide network tiers; while this provides limited east-west control, it is simpler to design. Micro-segmentation uses SDN and host agents, as well as cloud security groups; application-specific policies are enforced at the workload/service boundary, which is why they are the engine of microsegmentation zero trust. What Role Do Firewalls and Network Segmentation Layers Play in Microsegmentation? Your existing perimeter and internal firewalls provide north‑south control, compliance zones, and enforcement points that microsegmentation can orchestrate. In other words, microsegmentation complements firewalls and network segmentation layers—it does not replace them. Extending the point above: Microsegmentation orchestrates those firewall and segmentation layers to deploy least‑privilege across hybrid systems—specifically: Cloud security groups NACLs SDN fabrics Kubernetes policies Host-based controls Since these layers are complementary, they collectively shrink the blast radius. What Is Zero Trust? Zero trust is a security concept, not a product or service. The system uses identity-based dynamic authorization, which takes into account device health status and environmental context—instead of traditional static location-based access methods. Verification is continuous because environments and risk conditions evolve. Zero trust verifies every access decision—no implicit trust—and enforces least privilege Zero Trust vs. Micro‑Segmentation: Complementary Forces While zero trust operates as an operational framework, microsegmentation functions as an implementation methodology. While zero trust explains what needs protection and which aspects require protection, microsegmentation provides the how. The table below breaks down the two concepts across key parameters. Aspect Zero Trust (Strategy) Microsegmentation (Mechanism) Focus Identity, posture, continuous verification Allowed app/workload flows Scope Enterprise‑wide architecture App tiers, services, identities Enforcement Policies derived from context and risk SDN, host agents, security groups, firewalls Outcome Minimized implicit trust; provable least‑privilege Contained blast radius; fewer lateral‑movement paths What Is Microsegmentation Zero Trust? The combination of zero trust and microsegmentation forms microsegmentation zero trust—a strategy connected to enforcement. The three primary goals of this approach are: Risk reduction Lateral movement prevention Least privilege verification Microsegmentation zero trust applies zero trust principles—continuous verification and least privilege—by defining and enforcing explicit, application‑aware allow‑rules between identities, services, and workloads. Why Does Microsegmentation Zero Trust Matter? It matters because it measurably reduces lateral movement paths and speeds incident containment. Authorized paths are explicitly permitted communication flows (service A to service B on port X from an approved identity) that have been validated as necessary for the application to function. Pre‑defining and testing these authorized paths speeds deployment because changes ship with pre-validated, least‑privilege policies—reducing last‑minute firewall rework, minimizing approvals, and preventing rollback from unexpected blocks. Implementing Microsegmentation to Achieve Zero Trust Microsegmentation is a continuous process, consisting of multiple stages to successfully achieve zero trust. Asset & Dependency Discovery Start by analyzing the network traffic behavior of applications and workloads in traditional on-premises setups, public clouds, and container environments. This application-first view serves as the base for zero trust segmentation, which stops security gaps from occurring. Policy Creation Create allow‑lists for individual app components and identity groups based on observed application traffic flows (sources/destinations, ports, processes) and documented business requirements, then validate with “what‑if” simulations before production. Enforcement Implement the approved policy through current controls—cloud security groups, firewalls, SDN fabrics, host controls, and Kubernetes—to achieve uniform protection across hybrid and multi-cloud systems. Continuous Monitoring & Adaptive Policy Continuously monitor for drift, prune unused rules, and adjust policies using detection data—without re‑introducing broad implicit trust or “allow any” access. Challenges & Pitfalls to Avoid Security organizations that operate effectively still encounter various obstacles when implementing microsegmentation: Lack of visibility in application maps: When third-party or SaaS endpoints and ephemeral services (containers, serverless functions) are not properly documented, visibility suffers. The fix? Run continuous dependency discovery operations while keeping tags and labels up to date. Focusing solely on network-based controls: Ignoring workload and identity context can weaken your security measures. The fix? Use service accounts, workload identities, namespaces, and labels as the basis for policy connections whenever possible. Relying on a single technology: Depending only on firewalls or security groups can create gaps in your security posture. The fix? Implement security orchestration using a combination of firewalls, SDN security groups, and Kubernetes network policies. Manual exception handling: Human intervention creates delays, slowing down release cycles. The fix? Orchestrate a combination of controls—next‑gen firewalls, SDN fabrics, cloud security groups, and Kubernetes network policy—so each layer covers the others. AlgoSec's Microsegmentation‑Driven Zero Trust Platform In today's fast-paced digital landscape, the combination of speed and safety is not just important—it's imperative. Zero Trust security delivered by AlgoSec’s unified platform enables companies to successfully implement microsegmentation across data centers, clouds, and Kubernetes. The platform begins with an application-first method, allowing users to clearly see their workloads and intricate patterns. AlgoSec provides immediate connectivity between different environments—on-premises systems, public clouds, and containers—to detect lateral movement paths and compliance issues fast. Beyond basic observability, AlgoSec maps security policy to business applications and services so that teams can simulate proposed changes, quantify risk in business terms, and validate least‑privilege before anything reaches production.. This proactive method validates the least privilege principle, protecting against security breaches and outages. AlgoSec integrates with next-generation firewalls, SDN fabrics and cloud security groups, and Kubernetes to enforce the same intent everywhere, orchestrating changes so rules remain consistent across hybrid and multi‑cloud environments. To see microsegmentation zero trust in action with AlgoSec, schedule a demo today. Get the latest insights from the experts Schedule time with one of our experts Work email* First name* Last name* Company* country* Select country... Short answer* By submitting this form, I accept AlgoSec's privacy policy Continue

Learn best practices for effective network firewall security management. Enhance your security posture with proper configuration, monitoring, and maintenance. Network firewall security management What are network firewalls? Network firewalls are the first round of defense against a wide range of external threats. Firewall policies filter incoming traffic to protect the network ecosystem from cyberattacks. Network traffic that doesn’t meet filter criteria gets blocked. Security teams continually optimize their organization’s firewall configuration to address new and emerging threats. Schedule a Demo Network firewall security challenges Network infrastructure is more complex than ever before. In the early days, your network firewall sat at the perimeter of your data center. Today, you may have a variety of firewalls operating on-premises, in public and private clouds, in a software-defined network, or a multi-cloud hybrid environment. Security leaders face four main challenges when implementing, maintaining and improving firewall performance: Complexity – The more individual firewall solutions your network relies on, the harder it is to analyze, configure, and scale firewall-related workflows. Visibility – The traffic flows over your network are complex. Lack of visibility over traffic flows makes managing firewall policies more difficult. Automation – Network firewalls have hundreds of security policies. Spread over multiple devices, manual management is difficult and time-consuming. Automation of network security management is the solution. Compliance – Proper configuration of your network security devices is a common regulatory requirement. Make sure you can demonstrate compliance. 1. Managing firewall configuration in a complex environment Since early networks were mostly on-premises, managing firewall configuration changes in real-time was simple. Once the cybersecurity team identified firewall changes they wanted to make, a single employee could upload those changes to the organization’s Cisco PIX device and call it a day. Today’s networks simply don’t work that way. They are designed to be scalable, supporting a wide range of endpoint devices and cloud-based applications with a much wider attack surface than ever before. Security teams must protect their networks against a more sophisticated set of attacks, including malware that leverages zero-day vulnerabilities and other unknown threats. At the same time, they must accommodate both users and attackers equipped with modern security tools like VPNs. The modern organization must deploy a wide range of firewalls, including hardware devices physically connected to local routers, software firewalls for hybrid cloud environments, and next-generation firewalls equipped with analyzers that can proactively detect unknown threats. Security leaders need to streamline visibility into firewall configuration, orchestration, and management through a single pane of glass. This ensures optimal firewall performance for both on-premises and cloud security solutions, while freeing team members to spend more time on higher impact strategic security goals. 2. Firewall deployments can compromise visibility into security processes Modern organizations with complex network configurations often don’t enjoy deep visibility into their security processes and event outcomes. Many third-party managed security vendors don’t offer in-depth data about their processes at all. Security leaders are often asked to simply trust that vendors provide enough value to justify premium pricing. But losing visibility into security processes makes it extremely challenging to improve those processes. It puts security leaders in the uncomfortable position of defending security outcomes they don’t have adequate data to explain. In the event of a negative outcome, it’s almost impossible to explain exactly what went wrong and why. If a particular firewall policy is ultimately responsible for that outcome, security leaders need to know. Effective firewall security management isn’t possible without deep visibility into firewall policies, and how those rules impact day-to-day business operations in real-time. Obtaining this kind of visibility in a complex network environment is not easy, but it’s vital to long-term success. 3. Manual configuration changes are costly and error-prone Increasing configuration errors are another knock-on consequence of the trend towards bigger and more complex networks. Where early network security professionals only had to update firewall rules for a handful of devices, now they must accommodate an entire stack of solutions made by different manufacturers, with complicated interdependencies between them. Most organizations rely on multiple providers for their full firewall stack. They may use Cisco hardware, Checkpoint next-generation firewalls, Tufin firewall management software, and Firemon asset management all at the same time. Managing and troubleshooting this kind of deployment without comprehensive firewall security management software is difficult and time-consuming. Security misconfigurations as a whole are responsible for more than one-third of all cyberattacks. This demonstrates the urgent need for security leaders to automate the process of configuring, updating, and validating firewall changes on complex networks. AlgoSec provides security leaders with a robust set of tools for automating network security policy updates and firewall changes without requiring organizations to dedicate additional employee-hours to time-consuming manual processes. 4. Don’t forget to document policy changes for compliance Security policy management is an important part of overall security compliance. Adhering to the latest security standards published by reputable organizations allows security leaders to meaningfully reduce cybersecurity risk. Documents like the NIST Cybersecurity Framework provide clear guidance into how organizations should address core functions in their security strategy, which includes deploying and updating firewalls. In particular, NIST Special Publication 800-41 describes the guidelines for firewall policies, requiring that they be based on comprehensive risk assessment for the organization in question. The guidelines also require that organizations with multiple firewalls sharing the same rules (or common subsets of rules) must have those rules synchronized across those firewalls. Importantly, all these changes must be documented. This requirement adds significant risk and complexity to network environments that rely on manual configuration processes. Even if you successfully implement changes the right way, reporting discrepancies can negatively impact your organization’s regulatory position. AlgoSec generates compliance reports for NIST SP 800-53 as a built-in feature, available right out of the box. Organizations that use AlgoSec to automate firewall security management and policy changes can ensure compliance with stringent security standards without having to commit valuable security resources to manually verifying reports. Schedule a Demo Firewall security management FAQs Understanding the network security devices in your network is crucial to maintaining your network’s security. What are some common network security devices? Network security devices include application and network firewalls, which are the most popular network security devices. However, your network may have other devices such as intrusion detection and protection systems, antivirus scanning devices, content filtering devices, as well as pen testing devices, and vulnerability assessment appliances. What is an application firewall? An application firewall controls access from an application or service, monitoring or blocking the system service calls that do not meet the firewall’s configured policy. The application firewall is typically built to control network traffic up to the application layer. What is a firewall device and how do firewalls work? A firewall is a network security device that monitors network traffic and decides whether to allow or deny traffic flows based on a defined set of security rules. Firewalls can be physical hardware devices, software, or both. What is network security management? Network security management lets network administrators manage their network, whether on-premises, in the cloud, or a hybrid network, consisting of physical and virtual single and multi-vendor firewalls. What are some challenges in network security management? Network administrators need to get clear and comprehensive visibility into network behavior, automate single and multi-vendor device configuration, enforce global network security policies, view network traffic, and generate audit-ready compliance reports across their entire network. Network administrators must continuously deploy security policies across the network. Yet, there may be thousands of firewall policies accumulated over the years. Frequently, they are cluttered, duplicated, outdated, or conflict with new rules. This can adversely affect the network’s security and performance. Schedule a Demo Additional firewall security features How AlgoSec Helps with Network Firewall Security: End-to-end network visibility Get visibility of the underlying security policies implemented on firewalls and other security devices across the network. Understand your network’s traffic flows. Gain insights into how they relate to critical business applications so you can associate your security policies to their business context. Find unused firewall rules Enabling unused rules to be included in a policy goes against best practices and may pose a risk to the organization. The AlgoSec platform makes it easy to find and identify unused rules within your firewall policy. Associate policy rules with business applications Firewall rules support applications or processes that require network connectivity to and from specific servers, users, and networks. The AlgoSec Horizon AppViz add-on automatically associates the relevant business application that each firewall rule supports, enabling you to review associated firewall rules quickly and easily. Manage multi-vendor devices across your entire hybrid network Each firewall vendor often has its own management console, but your network is made up of multiple devices from an assortment of vendors. Ensure continuous compliance Simplify and reduce audit preparation efforts and costs with out-of-the-box audit reports for major regulations including PCI DSS, HIPAA, SOX, NERC, and GDPR. Schedule a Demo Network firewall security tips Conduct a network security audit Periodically auditing your network security controls are critical. Network security audits help to identify weaknesses in your network security posture so you know where your security policies need to be adapted. Firewall audits also demonstrate that you have been doing your due diligence in reviewing security controls and policy controls. Consider micro-segmentation By building and implementing a micro-segmentation strategy , networks can be broken down into multiple segments and made safer against potential breaches by dangerous cybercriminals and hackers. Conduct periodic compliance checks Your network firewalls are a critical part of many regulatory requirements . Ensuring that your network firewalls comply with critical regulations is a core part of your network security posture. Periodically evaluate your firewall rules Following firewall rules best practices, you should periodically evaluate your firewall rules. Identify and consolidate duplicate rules, remove obsolete or unused firewall rules, and perform periodic firewall rule recertification . Schedule a Demo Select a size What are network firewalls? Network firewall security challenges Firewall security management FAQs Additional firewall security features Network firewall security tips Get the latest insights from the experts Firewall rule recertification - An application-centric approach Watch webinar Firewalls ablaze? Put out network security audit & compliance fires Watch webinar Firewall rule recertification Read document Choose a better way to manage your network

Manage multi-cloud security with effective policy and configuration strategies to ensure compliance, optimize performance, and protect your network infrastructure. Multi-Cloud Security Network Policy and Configuration Management ---- ------- Schedule a Demo Select a size ----- Get the latest insights from the experts Choose a better way to manage your network

Manage Google Cloud firewall rules with effective-policy visibility, risk-based cleanup, governed change workflows, validation, and audit-ready evidence. Google Cloud firewall rule management: Best practices for enterprise teams ---- ------- Schedule a Demo Select a size ----- Get the latest insights from the experts Choose a better way to manage your network

Explore micro-segmentation: a powerful security strategy. Discover real-world examples, top solutions, and key benefits for enhanced security and reduced risk. Micro-segmentation: Examples, solutions & top benefits Micro-segmentation: What it is, how it works, benefits Micro-segmentation means breaking down enterprise networks into multiple segments and using security policies to dictate how the data and applications in each segment will be accessed. These determinations are made by limiting traffic based on zero trust and least privilege principles. It provides a viable solution to flawed network security policies that weaken enterprise security. A micro-segmentation strategy enables organizations to reduce the size of their attack surface and make their networks safer against potential breaches. It also allows them to improve incident response, contain the impact of breaches, and maintain compliance with relevant laws and regulations. Schedule a Demo The need for micro-segmentation All organizations must protect their data centers with robust and effective firewall policies. Without these policies and associated security controls, smart and devious cybercriminals can easily hack into enterprise networks and systems. Micro-segmentation provides an effective way to install strong, clean, and easily-manageable security policies that help to create a more secure on-prem or hybrid cloud environment. This environment can keep traffic safe and block potential breaches from corrupting servers or compromising data. Moreover, creating multiple logical segments that are isolated from each other and enforced with least-privileged access keeps threat actors out of the network and also helps to contain a breach if it does happen. Schedule a Demo How micro-segmentation works Micro-segmentation can be applied in both on-prem data centers and cloud environments. It isolates network workloads which enable security teams to create security policies. These policies dictate the type of traffic passing in and out of each micro-segment. The policies are used to manage and create secure network segments and determine how these segments or zones will be accessed. They dictate how applications and workloads will access the resources they need, how they will share data within a system, and in which direction. Micro-segmentation also enables security teams to determine what kind of security or authentication measures are required for the environment. There are three main micro-segmentation approaches. Micro-segmentation works differently depending on which approach is adopted. Agent-based/host-based micro-segmentation Agent-based micro-segmentation utilizes a software agent deployed on the workload. It doesn’t rely on static network-level rules based on network ports or IP addresses. The agent allows security teams to enforce granular isolation, better control individual hosts, and implement automated segmentation policies with human-readable labels. Agent-based micro-segmentation security solutions are infrastructure-independent so they can be deployed across both data center and cloud infrastructure. One drawback of the method is that not all workloads can have an agent installed on them. Also, attackers can exploit the trust in the network with host firewall-based micro-segmentation. Network-based micro-segmentation Network-based micro-segmentation leverages the network infrastructure to enforce security policies. The policies are configured and enforced using access control lists (ACLs) or IP constructs. There’s no need to deploy agents on workloads. A drawback of this method is that the policies can only be enforced per endpoint, so network firewalls cannot distinguish between legitimate software and malware and will therefore block or allow both. Also, the policies are static, which can cause performance issues in more dynamic (e.g., cloud) environments. Finally, the approach can be complicated to manage when more granular micro-segments and a higher number of firewall rules are created. Hypervisor-based micro-segmentation This method depends on virtualized environments and hypervisors to create overlay networks and enforce micro-segmentation. The approach does not require network hardware changes. Also, its policy constructs are easy to learn for security teams. The chief drawback of the approach is that it doesn’t support bare metal servers, container workloads, or public cloud environments. Also, it doesn’t provide host-level visibility into its software, processes, vulnerabilities, etc. Schedule a Demo Examples of micro-segmentation One common example of micro-segmentation is the separation of development and testing environments from production environments. Granularly limiting the connections between these environments prevents careless or dangerous activities, such as using sensitive/live data for testing. Other examples include: Application micro-segmentation: Restricting access to sensitive data in applications to prevent unauthorized use or malicious exfiltration User micro-segmentation: Leveraging user identity services to control access to applications and services Tier-level micro-management: Separating application components to allow only authorized users to access specific components and keep unauthorized users out Schedule a Demo Network segmentation vs. Micro-segmentation Network segmentation divides the enterprise network into multiple security zones. In traditional data center environments, network segmentation is usually accomplished using firewalls, VLANs, and access control lists (ACLs). In more modern, cloud-based environments, Virtual Private Clouds (VPCs), subnets, and Security Groups (SGs). Microsoft Azure, for example, provides numerous network segmentation options, such as subscriptions (platform-powered separation between entities), virtual networks (isolated and secure networks to run virtual machines and applications), network security groups (access control mechanisms to control traffic between resources within a virtual network), and Azure firewall (a cloud-native stateful firewall-as-a-service to filter traffic flowing between cloud resources, the Internet, and on-premise). Regardless of the environment type, the zones created with network segmentation consist of multiple devices and applications. Admins can set access controls that permit only specific traffic between zones. Micro-segmentation is a more granular form of network segmentation. It involves placing each device or application within its own logically isolated segment instead of simply breaking a network into multiple, large segments. It thus provides more granular visibility and greater control than network segmentation. Unlike network segmentation which breaks the network based on north-south traffic (traffic running between clients and servers and crossing the security perimeter), micro-segmentation focuses on east-west traffic that moves laterally across and within the network. Moreover, it usually uses software policies and software-defined networking (SDN). With SDN, all network traffic is routed through an inspection point (e.g., a next-generation firewall) that can identify an attacker’s lateral movement and block inappropriate accesses to the network and its resources. Some SDN solutions, such as Cisco Application Centric Infrastructure (ACI), can automatically assign endpoints to logical security zones called endpoint groups (EPGs). These EPGs may have a contract that is used to control traffic flow between EPGs within the ACI fabric. Schedule a Demo Network segmentation challenges and how micro-segmentation Helps Dividing a network into multiple smaller segments can improve both its security and performance. Effective network segmentation allows security teams to spot an attack and act early to mitigate its impact and prevent its spread across the network. Even so, it can be challenging to implement network segmentation. For one, dividing the network into many VLANs and subnets requires a lot of manual effort. Also, the network may need to be re-architected, which can be difficult, time-consuming, and expensive. Micro-segmentation is a better and easier approach to securing a network, especially if host-based micro-segmentation is adopted. This is because the host-based approach is infrastructure-independent, provides more granular control, and enables micro-segmentation based on human-understandable policies instead of static network-level rules. Plus, the model can be deployed across both, cloud and data center environments without “coupling” to them. In addition, it decouples security policy enforcement from the physical infrastructure, simplifying administration and allowing more granular control. Also, it does not require network re-architecting so it is less time-consuming, less complex, and more cost-effective than network segmentation. Schedule a Demo Micro-segmentation: Essential for zero trust security Micro-segmentation is increasingly used to implement zero trust security . This new security model considers all users and devices untrustworthy by default. To gain access to network resources and become “trusted”, the user or device must meet the network’s conditions, for example, undergo a virus scan or complete multi-factor authentication (MFA). The zero trust model enables organizations to move away from traditional perimeter-based network security which is inadequate for modern-day remote workers and cloud environments. And micro-segmentation supports the model by: Dividing the network into smaller zones Creating a mini-perimeter around each endpoint to secure it individually Providing enhanced network visibility and stronger access controls In sum, zero trust, and micro-segmentation work in tandem by securing workloads in dynamic environments and preventing the lateral movement of unauthorized users in the network. Schedule a Demo The top 7 benefits of micro-segmentation The need for micro-segmentation is increasing because it provides all these benefits: Effective security through enhanced endpoint protection Micro-segmentation provides effective and cost-efficient security, particularly in modern network environments that are complex, dynamic, and fast-expanding. By logically dividing the data center into distinct security segments, it enables security architects to define security controls for each segment. This then reduces the size of the attack surface and enables the organization to better resist attacks or intrusions. Protection against network-based threats Micro-segmentation protects networks against network-based threats like DDoS attacks and WiFI attacks. It also allows admins to implement robust controls to restrict the flow of traffic on detecting a threat. Protection for cloud workloads and data Micro-segmentation can secure dynamic cloud systems, workloads, and data. With granular microsegments, security teams can easily monitor cloud traffic, identify suspicious or malicious traffic, and respond quickly once they detect dangerous breaches. Protection from advanced persistent threats (APTs) Individual micro-segments contain security checkpoints that help to keep cyber threats from spreading across the network. So, even if one part of a network is compromised, attackers cannot move laterally and reach or persist in other parts of the network. Thus, micro-segmentation protects the network from APTs. Improves breach containment Even if the network is breached, security staff can contain its impact with micro-segmentation. By monitoring traffic against secure policies, they can reduce the impact of a breach as well as their response time. Support for centralized policy management Organizations can use micro-segmentation to create and enforce granular security policies and to centralize policy management across networks. Without it, they would have to manually manage policies across a large fleet of devices and resources, which is a complex and time-consuming task. In addition, they can enforce zero-trust security policies, where access is allowed based on need, which can reduce the organization’s cyber risk. Endpoint separation enables regulatory compliance Micro-segmentation using the host-based approach helps isolate separately-secured endpoints, allowing security staff to easily control the traffic in systems that are subject to regulations. Policy granularity and visibility ensure that distributed devices are always protected by unified network security and also reduce the risks of non-compliant usage. Schedule a Demo Near-effortless micro-segmentation with AlgoSec By utilizing AlgoSec’s micro-segmentation method of network security, businesses can immediately feel safer against possible hackers and potential data breaches. Our application workload security platform will secure your compute instances across any infrastructure and any cloud. It will also enable trusted access through automated, exhaustive context from various systems to automatically adapt security policies. But there are always obstacles when installing new systems on existing servers, whether it’s evolving the firewalls already in place to accept the micro-segmented data center or navigating possible network segmentation pitfalls. Our team can work with you all the way from strategy to execution to ensure these challenges are met and handled with ease so your security improves and your data is confidently protected. We will make sure that all your segmentation policies will be applied beyond the native software and hardware sensors, extending them to all supported on-premise, cloud, and SDN technologies. By using AlgoSec, you will get consistent and defense-in-depth security across your entire hybrid network. You can also maximize your current investment by leveraging existing security technologies for micro-segmentation. Plus, we will help you secure your environment in minutes rather than days or weeks. Talk to us to know more about our business-driven security management. Schedule a Demo Select a size Micro-segmentation: What it is, how it works, benefits The need for micro-segmentation How micro-segmentation works Examples of micro-segmentation Network segmentation vs. Micro-segmentation Network segmentation challenges and how micro-segmentation Helps Micro-segmentation: Essential for zero trust security The top 7 benefits of micro-segmentation Near-effortless micro-segmentation with AlgoSec Get the latest insights from the experts Use these six best practices to simplify compliance and risk mitigation with the AlgoSec platform White paper Learn how AlgoSec can help you pass PCI-DSS Audits and ensure continuous compliance Solution Overview See how this customer improved compliance readiness and risk management with AlgoSec Case study Choose a better way to manage your network

Streamline network management with AlgoSec Application Discovery. Gain visibility into application connectivity to optimize performance and enhance security policies. AlgoSec application discovery Enhance the discovery of your network applications ---- ------- Schedule a Demo Select a size ----- Get the latest insights from the experts Choose a better way to manage your network

Master the full vulnerability management lifecycle by learning how to prioritize risks to harden your infrastructure against modern threats, and how to choose the ideal vulnerability management tool. Vulnerability management Select a size Which network Can AlgoSec be used for continuous compliance monitoring? Yes, AlgoSec supports continuous compliance monitoring. As organizations adapt their security policies to meet emerging threats and address new vulnerabilities, they must constantly verify these changes against the compliance frameworks they subscribe to. AlgoSec can generate risk assessment reports and conduct internal audits on-demand, allowing compliance officers to monitor compliance performance in real-time. Security professionals can also use AlgoSec to preview and simulate proposed changes to the organization’s security policies. This gives compliance officers a valuable degree of lead-time before planned changes impact regulatory guidelines and allows for continuous real-time monitoring. What is vulnerability management? Vulnerability management (VM) is the continuous, systematic process of identifying, evaluating, reporting, and remediating vulnerabilities existing in cyber assets, processes, endpoints, and systems. Adversaries are constantly scanning for exploitable gaps, making vulnerability management an ongoing discipline that helps organizations recognize and fix these gaps before adversaries find and weaponize them. The global average cost of a data breach stands at $4.44 million , per IBM’s 2025 report. This includes disruptions, loss of customer trust, and regulatory fines, making proper vulnerability management critical. Vulnerability management vs. patch management: Are they the same? No. Patch management involves the deployment of a solution, such as a software update, to fix a vulnerability. Vulnerability management , on the other hand, encompasses the broader process of identifying, assessing, and addressing all categories of vulnerabilities through diverse strategies. The strategic benefits of vulnerability management Effective vulnerability management brings numerous benefits: Improved asset visibility. Unified visibility across business applications and endpoints creates a baseline for capacity planning, license management, and technology refresh cycles. Fewer security risks. VM also directly reduces the probability of successful cyberattacks by systematically identifying and addressing exploitable weaknesses. Enhanced operational efficiency. Mature vulnerability management programs establish structured processes for security remediation, replacing ad hoc firefighting with systematic resolution workflows. Prevention of business disruption. The financial hit of a breach doesn’t stop at ransom payments. Operational disruption, reputational damage, customer attrition, and regulatory penalties often dwarf the costs of immediate incident response (IR). Support for compliance and audit requirements. From PCI-DSS to HIPAA, regulatory requirements mandate regular vulnerability assessments, including documented vulnerability management processes and evidence of continuous improvement. What are the types of managed vulnerabilities? Vulnerabilities manifest across diverse technical domains, with multiple types requiring specialized assessment approaches and remediation strategies: Software vulnerabilities : These bugs in application code, operating systems, firmware, or supporting libraries remain the most prevalent, particularly as complex application portfolios span legacy systems, commercial off-the-shelf products, and custom-developed code. Hardware vulnerabilities : These exist within the physical components and embedded firmware of computing devices and are especially relevant for on-premises infrastructure, which can be locally exploited. Network vulnerabilities: Arising from misconfigurations, design flaws, or network infrastructure and protocol weaknesses, network vulnerabilities often serve as force multipliers, allowing attackers who gain initial access to expand their presence across your entire environment. Process vulnerabilities : Weaknesses in operational procedures, change management practices, and organizational workflows are human and procedural gaps that can be as consequential as technical weaknesses. Control vulnerabilities: Encompassing weaknesses in security mechanisms themselves, i.e., the systems designed to prevent, detect, or respond to threats, this type of vulnerability includes: Inadequately tuned intrusion detection systems that generate false negatives Logging configurations that fail to capture security-relevant events Backup processes that cannot support timely recovery Incident response procedures that prove inadequate during actual crises Mixed vulnerabilities: These represent complex weaknesses that span multiple categories, requiring coordinated remediation across technical domains. How does vulnerability management work? An effective vulnerability management process has overlapping phases that feed insights from one stage into another. This cyclical approach helps ensure that the process matures over time by incorporating lessons learned from one stage into another. The five steps involved in the vulnerability management process are discovery, prioritization, resolution, verification, and reporting. Step 1: Discovery Discovery lays the foundation for effective vulnerability management. It encompasses the identification of vulnerable assets and data flows using scanners, agents, or pen tests: Vulnerability scanners: Scan infrastructure for vulnerabilities present in the CVE database; classified into what they scan and how they scan, i.e., network-based , host-based, or web-based Agent-based scans: Scan endpoints, servers, and workstations using lightweight software agents to identify vulnerabilities missed by external scanners, e.g., local privilege escalation, insecure configurations in applications that don't expose network services, and compliance violations in endpoint security controls Penetration tests: Employ white-hat hackers to identify vulnerabilities; more resource-intensive than agents but can uncover complex weaknesses scanners miss, plus validate the exploitability of found vulnerabilities The next phase involves making sure the right vulnerabilities receive attention first. Step 2: Prioritization A common vulnerability prioritization approach uses the Common Vulnerability Scoring System (CVSS). CVSS provides severity ratings based on technical characteristics, for example, potential impact, attack complexity, or privileges needed. A CVSS score of zero indicates the lowest possible severity, while 10 is the highest. However, CVSS scores don't account for asset criticality and threat context, making these scores alone insufficient for business risk prioritization. For this, the Exploit Prediction Scoring System (EPSS) helps by augmenting CVSS with an assessment of how likely a vulnerability will be exploited within the next 30 days. Still, effective vulnerability prioritization extends beyond scoring systems. The business context is also important. So, instead of solely prioritizing vulnerabilities based on their severity scores or the likelihood of exploitation, organizations must pause and ask: Is my business at risk? If yes, what applications are at risk, and how will their exploitation affect business operations? Of course, there is then the task of successfully resolving vulnerabilities found. Step 3: Resolution Vulnerability resolution can follow three possible paths: remediation, mitigation, or containment. And sometimes, a mix of all three. Remediation Remediation involves eliminating a vulnerability from the source via patch application, version upgrades, or configuration corrections. Although this is the ideal resolution approach, it isn't always immediately feasible. Why? An organization’s legacy systems may lack vendor support, while critical applications may also require extensive testing before patching. Mitigation Mitigation reduces risk exposure in the event of actual exploitation. Example techniques for this approach to vulnerability resolution include network segmentation, firewalls that filter exploit attempts, and enhanced monitoring to provide early warning of exploitation attempts. Containment Containment isolates vulnerable systems from healthy ones while remediation measures are developed and deployed. This approach proves particularly valuable when actively exploited vulnerabilities affect critical systems that cannot be patched immediately. Step 4: Verification Verification confirms that your previous resolution efforts successfully addressed the identified vulnerabilities without introducing operational problems . This ensures CISOs and the rest of the C-suite that holes believed to be plugged are not, in fact, still leaking. A common way to verify resolution is to conduct post-remediation scans or even pen testing for vulnerabilities involving multiple systems. Verification also includes operational validation to check that security fixes haven't degraded system functionality or user experience. If this step reveals incomplete fixes or any new issues caused during resolution, the next step is a root cause analysis to identify gaps in scanning, remediation procedures, testing protocols, or change management processes. Step 5: Reporting CISOs rely on two metrics to reveal gaps in vulnerability management workflows and provide objective measures of program maturity: Mean time to detect (MTTD): Measures the speed of identification of new vulnerabilities Mean time to remediate (MTTR): Quantifies the average duration between vulnerability detection and successful resolution With the right tools, companies can typically achieve MTTD in hours and MTTR in days for critical vulnerabilities, instead of weeks or months. This highlights that an organization’s choice of solution is a key part of the vulnerability management process. What to look for in vulnerability management tools When evaluating vulnerability management solutions, prioritize tools with the following capabilities. Comprehensive visibility across hybrid environments The ideal tool should discover and assess your assets regardless of where they’re hosted—on-prem, multiple cloud platforms, remote endpoints, or containerized workloads. To check the tool’s ability to comprehensively discover assets, ask the following questions: Does the solution natively integrate with CSPs’ APIs? Does it support diverse operating systems? Can it assess both traditional and modern infra? Risk contextualization through embedded threat intelligence For the sake of your business, tools that use generic severity scores are inadequate. Opt for a solution that: Layers your business context onto technical risk Considers asset criticality within the context of your industry Understands the data sensitivity requirements of your organization The result of opting for such a solution is vulnerability prioritization that reflects genuine business risk rather than theoretical severity. Streamlined workflow integration The ideal vulnerability tool should naturally integrate with your existing operational workflows instead of creating parallel shadow processes. The integration should be smooth and easy, as integration difficulties can significantly reduce your ROI from vulnerability management. Actionable reporting for diverse audiences It’s a best practice to choose a solution that provides relevant, easy-to-understand, and easy-to-apply security reports. This allows your security team to immediately understand what steps to take next. Automated change management with rapid response The best solutions incorporate automation to accelerate every phase of the vulnerability management lifecycle. This shortens MTTD and MTTR, and improves your overall security posture. Manage your vulnerabilities with Horizon AppViz AlgoSec Horizon AppViz delivers business-specific value by prioritizing a detected vulnerability risk not only by severity but also by business criticality. This helps you: Focus on the most important vulnerabilities first Contextualize your risk reduction efforts within a business application perspective Also, in your on-prem and cloud environment, Horizon AppViz incorporates data about your exposure level into risky firewall rules and into the what-if risk check analysis report you'll get periodically. Ready to prioritize vulnerabilities based on your business operations and automate the isolation of infected servers? Schedule a demo of AlgoSec to see how. 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Modernize your network with Cisco Nexus and ACI solutions for enhanced performance, scalability, and security in your data center and cloud environments. Modernize your network with Cisco Nexus & ACI How can organizations secure application connectivity when migrating from Cisco Nexus 7000 to Nexus 9000? If you still have Cisco Nexus 7000 devices in your environment, surely you have been inundated with end-of-life warnings and next-gen messaging touting the benefits of upgrading to Nexus 9000. Cisco Nexus 9000 offers cloud-scale technology, open and extensible programming with robust APIs, real-time analytics and telemetry, advanced centralized management, and full-stack automation and security with Cisco ACI and AlgoSec. There are clear benefits to modernizing your network, embracing digital transformation, and taking advantage of the full power of Cisco Nexus and Cisco ACI, and now you could add a whole new dimension to these and realize a higher ROI by also managing your network security. Cisco has partnered with AlgoSec to help companies modernize their network and take advantage of the full capabilities of Cisco Nexus and Cisco ACI, so customers can realize their ROI by addressing their applications network security needs when migrating from Nexus 7000 to Nexus 9000. Schedule a Demo Cover security while modernizing your network Modernizing your network using Nexus 9000 and the AlgoSec Security Management Suite empowers a secure digital transformation so you can cover your entire networking needs. The solution unlocks Cisco ACI’s potential by providing full visibility, automation, compliance, and microsegmentation capabilities from AlgoSec. With the joint solution, companies gain software-defined security for their software-defined network and entire multi-vendor hybrid network. Schedule a Demo Application-centric security With AlgoSec your application’s secure networking configurations can be migrated from Nexus to Cisco ACI in application centric mode — providing improved agility and manageability, along with new capabilities for risk and compliance. The integration of Cisco ACI with the AlgoSec Security Management Suite is a complete solution, enabling your organization with full visibility, visualization, and automation for the connected security of your entire network — including advanced change management, and detailed reporting capabilities. Schedule a Demo Enterprise-wide visibility & automation AlgoSec complements and expands Nexus 9000’s capabilities, offering full visibility into your entire hybrid multi-vendor network, network security policy automation, compliance, and security policy enforcement. Security policy changes can be implemented automatically on your network with zero-touch automation. The intelligent automation workflow automatically pushes security policy changes to your entire network and enables automated deployment of contracts, EPGs, and filters on Cisco ACI. Connectivity can also be deployed at the business application level. This allows companies to use a single process to deploy security policies across their entire data center. Gain native visibility into your Cisco ACI network topology while tying the ACI fabric into the rest of the data center. AlgoSec provides a complete network topology map for your entire network. Users can search across multi-site Cisco ACI estates for tenants, endpoints, contracts, EPGs, and more. Schedule a Demo Proactive & continuous compliance Get a complete picture of your compliance posture so that you can be confident in your network’s compliance. AlgoSec generates automatic audit-ready compliance reports on your entire hybrid network, including Cisco ACI tenants, for major regulations, flags issues upon changes, uncovers gaps, and even remediates problems, ensuring continuous compliance over your entire network. Schedule a Demo Enforce micro-segmentation policies over your entire network Enforce Cisco Secure Workload-enforced micro-segmentation policies beyond the native software and hardware sensors, extending segmentation policies to all supported on-premises, cloud, and SDN technologies. In cases where Cisco Secure Workload alone cannot enforce micro-segmentation policies on workloads, AlgoSec can orchestrate the micro-segmentation policies as firewall rules. Therefore, you can maintain unified security policies across your entire network environment. Schedule a Demo See it in action Convinced that it is time to harness the full power of migrating to Nexus 9000? Schedule a personal demo to see how AlgoSec makes the transition flawless. Schedule a Demo Select a size How can organizations secure application connectivity when migrating from Cisco Nexus 7000 to Nexus 9000? Cover security while modernizing your network Application-centric security Enterprise-wide visibility & automation Proactive & continuous compliance Enforce micro-segmentation policies over your entire network See it in action Get the latest insights from the experts Choose a better way to manage your network

Network security management is crucial for safeguarding physical and virtual networks, reducing risks, and ensuring compliance Discover the essential practices and strategies to protect your network Network security management: Components & features Select a size Which network Can AlgoSec be used for continuous compliance monitoring? Yes, AlgoSec supports continuous compliance monitoring. As organizations adapt their security policies to meet emerging threats and address new vulnerabilities, they must constantly verify these changes against the compliance frameworks they subscribe to. AlgoSec can generate risk assessment reports and conduct internal audits on-demand, allowing compliance officers to monitor compliance performance in real-time. Security professionals can also use AlgoSec to preview and simulate proposed changes to the organization’s security policies. This gives compliance officers a valuable degree of lead-time before planned changes impact regulatory guidelines and allows for continuous real-time monitoring. What is network security management and why do we need it? Who owns network security management and why does it matter? What are the high-stakes tasks in network security management? What are the toughest challenges of network security management? Which approaches do network security management pros use? Which network security management tools are IT pros’ secret weapons? Where do network security management tools make the biggest difference? Network security management FAQs Get the latest insights from the experts Use these six best practices to simplify compliance and risk mitigation with the AlgoSec White paper Learn how AlgoSec can help you pass PCI-DSS Audits and ensure Solution overview See how this customer improved compliance readiness and risk Case study Schedule time with one of our experts Work email* First name* Last name* Company* country* Select country... Short answer* By submitting this form, I accept AlgoSec's privacy policy Continue

Protect sensitive healthcare data with Algosec’s tailored network security solutions, ensuring compliance and risk reduction. Empowering secure connectivity for healthcare Select a size Which network Can AlgoSec be used for continuous compliance monitoring? Yes, AlgoSec supports continuous compliance monitoring. As organizations adapt their security policies to meet emerging threats and address new vulnerabilities, they must constantly verify these changes against the compliance frameworks they subscribe to. AlgoSec can generate risk assessment reports and conduct internal audits on-demand, allowing compliance officers to monitor compliance performance in real-time. Security professionals can also use AlgoSec to preview and simulate proposed changes to the organization’s security policies. This gives compliance officers a valuable degree of lead-time before planned changes impact regulatory guidelines and allows for continuous real-time monitoring. Empowering secure connectivity for healthcare Compliance: Ensuring regulatory adherence Secure connectivity for your patient data & your applications M&A: Streamline integration of complex environments Zero trust: Strengthening security posture  Join our healthcare customers Why healthcare providers and insurers choose AlgoSec Get the latest insights from the experts AlgoSec and Zero-Trust for Healthcare Read more What are HIPAA network compliance requirements, rules, and violations? Read more Checking the cybersecurity pulse of medical devices Read more Schedule time with one of our experts Work email* First name* Last name* Company* country* Select country... Short answer* By submitting this form, I accept AlgoSec's privacy policy Continue