Analyze your firewall rules for overly permissive access, shadowed rules, orphaned entries, and misconfigurations — ensuring your firewall policies enforce your intended security posture.
Firewalls are only as effective as their rulesets. Over time, rules accumulate — temporary rules become permanent, overly broad rules get created under pressure, and shadowed rules create false confidence. We systematically analyze your firewall policies to identify weaknesses, optimize rulesets, and ensure your firewalls enforce the access controls your security architecture requires.
Firewall rules are living documents that evolve with every change request, incident response, and application deployment. Without periodic review, rulesets accumulate technical debt — 'any-any' rules created during troubleshooting, temporary rules that were never removed, overly broad source/destination ranges, and shadowed rules that never match traffic because a broader rule above catches it first.
PCI DSS Requirement 1 mandates firewall ruleset reviews at least every six months. But beyond compliance, a thorough ruleset review is essential operational hygiene — ensuring your firewalls actually enforce the network segmentation, access controls, and traffic policies your security architecture assumes.
Systematic review of every rule in your firewall policies — identifying overly permissive rules, shadowed rules, redundant rules, and misconfigurations that weaken your security posture.
Firewall ruleset review specifically aligned with PCI DSS Requirement 1 — validating CDE traffic restrictions, documenting business justifications, and ensuring rules align with your network diagram and data flows.
Identify opportunities to consolidate, reorder, and optimize your ruleset — improving performance, reducing complexity, and making ongoing management more maintainable.
Verify that firewall rules correctly enforce your network segmentation architecture — ensuring rules between CDE, corporate, DMZ, and other zones match your intended access matrix.
We review rulesets across firewall platforms — Palo Alto, Fortinet, Cisco ASA/FTD, Check Point, AWS Security Groups, Azure NSGs, and GCP firewall rules.
Evaluate your firewall change management process — request workflows, approval procedures, documentation practices, and periodic review cadence — ensuring rulesets stay clean over time.
Meet PCI DSS Requirement 1.1.7 (firewall rule review every 6 months) with documented analysis and findings that auditors can verify.
Identify and tighten 'any-any' rules, overly broad port ranges, and unnecessary permitted traffic — closing access paths attackers can exploit.
Confirm that firewall rules actually enforce your intended network segmentation — ensuring CDE isolation, DMZ controls, and zone-to-zone restrictions work as designed.
Remove redundant, shadowed, and orphaned rules — simplifying your ruleset, improving firewall performance, and making ongoing management less error-prone.
Documented ruleset review with business justification for each rule — ready for auditor examination during PCI DSS, ISO 27001, or SOC 2 assessments.
Establish a clean ruleset baseline and improve your change management process — preventing the gradual rule accumulation that creates security drift over time.
We review rulesets across all major firewall platforms — Palo Alto, Fortinet, Cisco, Check Point, and cloud-native firewalls (AWS, Azure, GCP) — providing consistent analysis regardless of your technology.
We understand PCI DSS Requirement 1 in depth — ensuring our review produces the specific documentation, business justifications, and evidence that QSAs expect during your PCI audit.
Every finding includes a specific rule change recommendation — not just 'this rule is too broad' but the exact tightened rule definition that maintains functionality while improving security.
Contact us to discuss your requirements and get a tailored engagement plan.
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