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Algosec integrates with vulnerability management tools to prioritize risks, automate security policies, and strengthen network defenses. Vulnerability management solution Schedule a demo Watch a video With vulnerabilities more widespread than ever before it’s critical to be able to quickly weed through and prioritize these risks based how they impact the key applications that run your business. Yet vulnerability information is typically presented in technical terms such as servers and IP addresses, which is not a meaningful format for business application owners. Assess, Prioritize and Manage Risk from the Business Perspective AlgoSec seamlessly integrates with the leading vulnerability scanners to map vulnerabilities directly to their business applications, including servers and complex connectivity flows, and provide a security rating for every business application. AlgoSec automatically recalculates these risk scores whenever a change is made through its intelligent, automated security policy change management process, to ensure that you always have an up-to-date, business-centric view of your risk. With this information you can effectively prioritize and remediate risk across your organization based on its criticality and impact on your business. With AlgoSec you can Map vulnerabilities and severity levels directly to their business applications Get a an accurate, up-to-date vulnerability rating for every business applications Immediately identify any un-scanned servers for each application The Business Impact Get an application centric view of risk which is always up-to-date Remediate vulnerabilities quickly based on their criticality and impact on the business Improve accountability for risk across the organization Facilitate effective communication between security teams and application owners regarding risk Minimize your organization’s exposure to risk Resources Learn from the experts. Get the latest industry insights How to Prioritize Risk from the Business Perspective Watch video Schedule time with one of our experts

What Are AWS Security Groups? Schedule a demo Watch a video AWS Security Groups are the stateful, instance-level firewalls that make or break your cloud perimeter. They filter traffic on the way in and out of every elastic network interface (ENI) , scale automatically with your workloads—supporting PCI DSS network segmentation—and can shrink audit scope and risk. This page explains how they work, why they differ from Network ACLs, what's new (cross-VPC sharing), and how AlgoSec Cloud Enterprise delivers continuous policy hygiene across hundreds of VPCs. How Do AWS Security Groups Work? Security groups (SGs) are virtual firewalls attached to ENIs in a virtual private cloud (VPC). They evaluate inbound rules first, allow stateful return traffic automatically, and then apply outbound rules—all before packets hit the guest OS firewall. Key behaviors: Allow Deny yes yes Before packet leaves ENI Before packet enters ENI Outbound Inbound Rule Type Default Action Stateful Security Groups ( SGs) Because SGs are stateful, you rarely need symmetric rules—responses are automatically allowed. By default, you can attach up to five SGs per ENI, giving you additive rule stacks for layered controls. Why Are AWS Security Groups Important? AWS security groups are critical because they enforce least-privilege, stateful filtering at the instance edge, blocking unauthorized traffic before it ever reaches your workload. The 2019 Capital One breach started with an SSRF exploit that punted traffic through an over-permissive SG/WAF combo; 100 million records later, the lesson was clear—least-privilege SGs matter for PCI DSS network segmentation compliance. When it comes to PCI network segmentation audits, AWS security groups let you create explicit, least-privilege boundaries around every cardholder-facing workload. Using Multiple AWS Security Groups Attaching more than one security group (SG) per ENI lets you layer responsibilities—platform, application, and third-party traffic—without ballooning the rule count in any single SG. AWS simply merges every rule across the attached groups into one effective allow-list; there is no concept of rule precedence or hidden denies. Rule union, not override: If SG-A allows TCP 22 and SG-B allows TCP 443, the instance will listen on both ports. Removing a port means removing it from every SG where it appears. Operations Checklist Tag everything with owner, env, and purpose; you'll thank yourself during audits and cost allocations. Watch for overlapping CIDRs—they multiply unintentionally when rules live in different SGs. Automate drift checks in CI/CD; any unauthorized console edit in a stacked security group can instantly alter the effective policy. Request higher SG-per-ENI limits before you need them; AWS approval isn't instant. Document the stack in runbooks so incident responders know which SG to configure (or not). Pro tip: For PCI network segmentation workloads, dedicate one SG to all PCI network segmentation rules and keep it read-only. Your Qualified Security Assessor (QSA) can audit a single file instead of searching through every microservice repository. Security Groups vs. Network ACLs for PCI Network Segmentation When a packet hits metal in AWS, two different bouncers can toss or pass it: Security groups (SGs) at the elastic-network-interface (ENI) layer and network ACLs (NACLs) at the subnet edge. Know what each one does so you don't build overlapping rules and accidental holes. Coarse subnet guardrails, country/IP blocks, extra layer for PCI DSS network segmentation compliance All traffic denied unless rules explicity allow it Lowest rule number is evaluated first; order matters Numbered Allow or Deny lines; first-match wins Fine - grained micro-segmentation, zero-trust tiers, PCI network segmentation All inbound blocked, all outbound allowed until changed AWS takes the union of all SG rules; no priorities to track Allow only (implicit deny for everything else ) Ideal Use Evaluation Order Default Behavior Rule Actions No-must write matching rules for both directions Applied to the entire subnet edge Stateful Layer/Scope Yes - return traffic automatically allowed Attached to each elastic network interface (instance-level) Security Groups ( SGs) Feature Network ACLs (NACLs) Think of SGs as the tight turnstiles right at the workload door and NACLs as the perimeter fence around the parking lot. Use both, but for different jobs; your cloud will remain tidy, audit-ready, and resilient: Why This Matters for PCI DSS Network Segmentation PCI DSS emphasizes strong, documented segmentation between the cardholder data environment (CDE) and everything else. SGs give you per-instance micro-segmentation, while ACLs provide an outer guardrail, satisfying default-deny, explicit-allow requirements. New AWS Security Group Functionalities AWS has added several quality-of-life upgrades that make security-group hygiene less painful and far more automation-friendly: Security-group VPC associations: Attach the same SG to several VPCs within a single region. Maintaining one "golden" rule set instead of cloning SGs per VPC eliminates policy drift and simplifies CI/CD pipelines. Shared security groups: Participant accounts in a Shared-VPC architecture can reuse SGs owned by the host account. Every team sees (and inherits) the exact rules the network team approved. This gives you centralized control without blocking decentralized builds. Cross-VPC security group referencing (via AWS Transit Gateway): A security group in one VPC can name an SG in another VPC as its source or destination. You can build hub-and-spoke or spoke-to-spoke traffic filters without configuring CIDRs everywhere, tightening cross-region segmentation. AlgoSec for PCI Network Segmentation with AWS Security Groups Managing security groups is easy when you have a dozen; it's a different story when juggling hundreds across multiple accounts, regions, and VPCs. That's where AlgoSec provides the context, automation, and guardrails you need for PCI network segmentation audits without slowing delivery: Unified SG inventory: Auto-discovers every security group across accounts for one-screen visibility. Continuous risk checks: Flags open CIDRs, unused groups, and over-broad ports before production—giving application owners instant, actionable insight. Zero-touch change push: Generate, approve, and apply SG updates straight from CI/CD. One-click compliance packs: Exports ready-to-submit reports for PCI DSS, HIPAA, and GDPR. Optimization hints: Suggests merges, rule clean-ups, and NACL offloads to stay under quotas. Migration Wizard: Converts legacy firewall rules into matching SG policies in minutes. Hybrid-cloud scale: Secures AWS, Azure, GCP, and on-prem firewalls from the same console—see real-world patterns in AWS and AlgoSec . Putting It All Together Security groups are your first—and sometimes last—line of defense in AWS. By combining layered SG design, complementary network ACL guardrails, and tooling like AlgoSec for continuous assurance, you create a security posture that scales as fast as your engineering teams deploy. This keeps you audit-ready for PCI DSS network segmentation at any size. Resources Learn from the experts. Get the latest industry insights Simplify Zero Trust with application - based segmentation- Whitepaper Download now Short tutorial- Learn how to build Zero Trust architecture Watch it now Zero Trust webinar with Forrester and AlgoSec CTO Watch it now Mapping the Zero Trust Model with AlgoSec’s solution Read the article now Schedule time with a Zero Trust expert

AlgoSec provides firewall audit and compliance tools to assess security policy changes Use us to generate audit ready reports for all major regulations Firewall compliance auditor Schedule a demo Watch a video Preparing your firewalls for a regulatory or internal audit is a tedious, time-consuming and error-prone process. Moreover, while an audit is typically a point-in-time exercise, most regulations require you to be in continuous compliance, which can be difficult to achieve since your rule bases are constantly changing. With thousands of rules and ACLs across many different security devices, and numerous changes every week, it’s no wonder that preparing for an audit manually has become virtually impossible. Simplify firewall audits and ensure continuous compliance AlgoSec does all the heavy lifting for you. It automatically identifies gaps in compliance, allows you to remediate them and instantly generates compliance reports that you can present to your auditors. In addition, all firewall rule changes are proactively checked for compliance violations before they are implemented, and the entire change approval process is automatically documented, enabling you to ensure continuous compliance across your organization better than any firewall auditing tool . With AlgoSec you can Instantly generate audit-ready reports for all major regulations, including PCI, HIPAA, SOX, NERC and many others Generate custom reports for internal compliance mandates Proactively check every change for compliance violations Make the necessary changes to remediate problems and ensure compliance Get a complete audit trail of all firewall changes and approval processes The Business Impact Reduce audit preparation efforts and costs by as much as 80% Proactively uncover gaps in your firewall compliance posture Remediate problems before an audit Ensure a state of continuous compliance Used by all “Big Four” auditing firms Resources Learn from the experts. Get the latest industry insights AlgoSec for GDPR Read Document SWIFT Compliance Read Document HKMA Compliance Read Document Top PCI Pitfalls and How to Avoid Them: The QSA’s Perspective Watch Webinar Choose a better way to manage your network Choose a better way to manage your network Work email* First name* Last name* Company* country* Select country... Short answer* By submitting this form, I accept AlgoSec's privacy policy Continue

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. 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

Algosec helps financial institutions automate security policies, reduce risks, ensure compliance, and maintain seamless network operations. Finance Schedule a demo Watch a video Do you struggle with Financial institutions are dealing with the triple challenge of digital transformation, cyber security and regulations. They are constantly seeking to better serve their customers and establish a competitive edge through new technology innovations. But all too often, they fall behind on delivering these digital initiatives into production. Why does this happen? Network security operations teams are hampered by manual, slow and error-prone security change-management processes and the ever-increasing demands of industry regulations. Often requiring days, or even weeks, to process a single change across their complex network environment, security teams are deluged with hundreds of changes each month, hindering time-to-market. Security teams fight hard to create and maintain a clean and optimized network security policy that reduces the attack surface. But the frequent errors that arise from manual processes put the institution at cyber risk, opening security gaps that attract unwanted elements. Errors also introduce regulation-compliance gaps. Financial institutions find themselves struggling with the next audit instead of passing with flying colors. Business-Driven Security Policy Management for Financial Institutions AlgoSec’s unique, business-driven approach to security management enables financial institutions to align security policy management with their business initiatives and processes, making them more agile, more secure and more compliant all the time. With AlgoSec you can Automate the entire security policy management process – with zero-touch Manage the entire enterprise environment through a single pane of glass Proactively assess the risk of every change before it is implemented Automatically identify and remove bloat and clutter from security policies Automate firewall auditing and ensure continuous compliance Automatically discover, map and migrate application connectivity through easy-to-use workflows The Business Impact Get consistent, unified security management across any heterogeneous network environment Deploy applications faster by automating network security change management processes Avoid security device misconfigurations that cause outages Migrate application connectivity to the cloud quickly and easily Ensure a clean and optimized security policy Reduce the costs and efforts of firewall auditing and ensure continuous compliance Facilitate effective communication between security teams and application owners Resources Learn from the experts. Get the latest industry insights Business-Driven security management for financial institutions Read document Security policy management for financial institutions Read webinar AlgoSec case study: BM&FBOVESPA (English) Watch video Schedule time with one of our 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

AlgoSec Security Policy Management solution ties security incidents directly to the actual business processes Incident response Schedule a demo Watch a video Time is not on your side when managing security for a global enterprise and facing down a relentless barrage of cyber attacks. So when confronted with multiple suspect alerts flagged by your SIEM solution, you need a way to easily sift through and identify the attacks that will most likely impact key business processes and quickly take action – before they impact your business and its reputation. Tie Incident Response to Business Processes, Prioritize and Automate Remediation Through a seamless integration with the leading SIEM solutions, the AlgoSec Security Policy Management solution ties security incidents directly to the actual business processes that are or potentially will be impacted, including the applications, servers, network and traffic flows, and security devices. Once identified, AlgoSec can neutralize the attack by automatically isolating any compromised or vulnerable servers from the network. With AlgoSec you can Automatically associate security incidents with applications, servers and network connectivity flows Highlight the criticality of business applications impacted by the threat Automatically isolate compromised servers from the network Identify network connectivity to/from a compromised server on a visual, interactive map Plot the lateral movement of the threat across the network Notify stakeholders to coordinate threat remediation efforts Get a full audit trail to assist with cyber threat forensics and compliance reporting Resources Learn from the experts. Get the latest industry insights Bringing reachability analysis into incident response Watch video Advanced Cyber Threat and Incident Management Watch video The AlgoSec QRadar app for incident response Watch video AlgoSec Splunk app for incident response Watch video Schedule time with one of our experts The Business Impact Augment threat analysis with critical business context to assess the severity, risk and potential business impact of an attack Prioritize incident remediation efforts based on business risk Immediately neutralize impacted systems through zero-touch automation Limit the lateral movement of an attacker in, out and across your network Reduce the time and cost of mitigating a threat by orders or magnitude Keep all stakeholders involved in the remediation process to reduce disruption to the business Work email* First name* Last name* Company* country* Select country... Short answer* By submitting this form, I accept AlgoSec's privacy policy Continue Schedule time with one of our experts

The AlgoSec Security Management Suite is used by all Big Four auditing firms and many leading consultancies to automate firewall audits Security Auditors & Consultants Schedule a demo Watch a video Do you struggle with Visibility into your customers’ enterprise networks and security policy? Assessing your customers’ risk and compliance due to cluttered and bloated firewall rulesets? Understanding the rationale behind firewall rule changes? Used by all the “big four” auditing firms and numerous consultants, AlgoSec’s network security policy management solutions delivers visibility across your customers’ enterprise networks and simplifies and automates the firewall auditing process. With AlgoSec auditors and consultants can quickly become experts in their customers’ environments and offer them additional value-add security policy management services. With AlgoSec you can Generate audit-ready reports for all major regulations, including PCI, HIPAA, SOX, NERC and many others, as well as internal policies, at a click of a button Get unified visibility of the security policy across cloud and on-premise networks Easily uncover gaps in compliance and assess risk in firewall rules and device configurations Get a complete audit trail of all firewall changes and approval processes Provide customers with recommendations on how to clean up and optimize their security policy The Business Impact Help customers pass their audits and ensure a state of continuous compliance Reduce audit preparation efforts by as much as 80% Recommend the necessary changes to remediate compliance problems before an audit Provide customers with actionable recommendations to improve their overall security posture Demonstrate value quickly and ensure customer satisfaction and retention Resources Learn from the experts. Get the latest industry insights Top PCI pitfalls and how to avoid them: The QSA’s perspective Read webinar Schedule time with one of our 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

Algosec empowers CIOs with automated security policy management, enhancing visibility, reducing risks, and ensuring regulatory compliance. Secure application
connectivity for CIOs Schedule a demo Schedule time with one of our experts Secure application connectivity. Anywhere. Digital transformation compels application development teams to move fast, while cyber security threats require a heightened security posture. AlgoSec lives at the intersection of your infrastructure, security policy and the applications that run your business. Balancing between agility and security is an ongoing battle for security teams, who are often unable to keep pace. This situation creates application delivery bottlenecks, and leaves the company exposed to increasing risk and compliance violations The AlgoSec Security Management Platform The AlgoSec platform helps organizations securely accelerate application delivery by automating application connectivity and security policy across the hybrid network estate, including public cloud, private cloud, containers, and on-premises networks. With the AlgoSec platform, application owners and InfoSec teams can: Enable application visibility by providing application discovery for reliable, estate-wide mapping Ensure compliance with application compliance awareness, risk mitigation, and remediation Cut application delivery bottlenecks with intelligent application change automation Watch the video "Placeholder Text" What they say about us Placeholder Name Send Michael West Reece Secure application connectivity 
across your entire application fabric Heading 5 Send Michael West Reece Secure application connectivity 
across your entire application fabric Heading 5 Join leading companies like: The business impact Accelerate time-to-market without compromising security With complete visibility of your hybrid network and zero-touch automation, your team can focus on what's essential – adding business value. AlgoSec analyzes your entire network intelligently so you can make changes quickly. Reduce cyber-security threats and reputational risk With complete visibility of your hybrid network and zero-touch automation, your team can focus on what's essential – adding business value. AlgoSec analyzes your entire network intelligently so you can make changes quickly. Align DevOps, SecOps, and business teams With complete visibility of your hybrid network and zero-touch automation, your team can focus on what's essential – adding business value. AlgoSec analyzes your entire network intelligently so you can make changes quickly. Achieve continuous compliance With complete visibility of your hybrid network and zero-touch automation, your team can focus on what's essential – adding business value. AlgoSec analyzes your entire network intelligently so you can make changes quickly. Always be compliant With complete visibility of your hybrid network and zero-touch automation, your team can focus on what's essential – adding business value. AlgoSec analyzes your entire network intelligently so you can make changes quickly. Five reasons why leading infosec teams choose AlgoSec Your applications always
come first AlgoSec's patented application-centric view of the hybrid network abstracts infrastructure complexity by listening to the network and associating connectivity flows with specific applications. 1 The only complete hybrid network solution Visualize and manage the application connectivity and security policies across all public clouds, private clouds, containers, and onpremises networks. 2 Security across the entire application development lifecycle Automate security policy across the application delivery pipeline from code analysis and build, through monitoring and reporting, to mitigate risk without compromising agility. 3 Zero-touch change automation Always be compliant. Quickly pinpoint gaps, so you can immediately act. Identify exactly which application or security policies are potentially noncompliant with audit-ready reports. 4 Full integration with your existing tech-stack Complete integration with leading ITSM, SIEM, vulnerability scanners, identify management, and orchestration systems promotes a holistic, more robust security posture. 5 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

Vulnerability scanning is only half the battle. Explore the difference between different types of scans, common pitfalls in modern cloud environments, and how to turn scan data into actionable security policies. Vulnerability scanning 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. 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

AlgoBot is an intelligent chatbot that answers your questions, in English Use this personal assistant for security policy change management processes Algo Now AI-powered security assistant for network security policy
management tasks Your AI security policy management assistant. Algo is an AI-powered assistant that connects to the AlgoSec platform to deliver fast, natural-language access to core security policy workflows - so teams can get answers, run analysis, and drive change requests without switching tools. With Algo you can: Accelerate security policy decisions with AI-powered, natural-language guidance Reduce ticket resolution time by giving support teams instant, contextual answers Enable application owners to self-serve connectivity questions with guardrails Streamline change management by creating and tracking requests directly from chat Talk to Algo in natural language from Microsoft Teams (desktop, web, or mobile) so you can stay in your workflow while accessing AlgoSec capabilities Self-service security policy management Algo offloads day-to-day tasks from firewall and network administrators, by automatically answering typical security policy management questions and handling maintenance tasks. Ideal for a wide range of stakeholders including security teams and cyber analysts, application owners and developers, help desk, support, network, server and IT teams, Algo can, for example: Check if traffic is currently allowed between IP addresses, servers and applications Open change requests to allow network connectivity Check on the status of a change request Easy and convenient access to the AlgoSec security management solution Algo gives firewall and network administrators an easy and convenient way to access the AlgoSec Security Management Solution, to quickly take care of security policy management maintenance tasks. Using Algo, firewall and network administrators can, for example: Troubleshoot network connectivity issues and security incidents Check the status of change requests and approve changes 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

Financial Institutions: Best Practices for Security & Compliance In the Era of Digital Transformation Download PDF Schedule time with one of our 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

State of Network Security Report 2025 Download PDF Schedule time with one of our 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