12 Best Practices for Conducting a Corporate Firewall Review
A corporate firewall review assesses your organization's network security to ensure it aligns with your business requirements and risk tolerance, minimizing the chances of cyberattacks. Modern businesses often use multiple firewall vendors with varying configurations, making it challenging to maintain a consistent cybersecurity posture. Annual firewall reviews should be a key part of your network security strategy to meet evolving data protection requirements. 1. Define Audit Objectives and Scope Begin by clarifying the purpose and scope of the audit. Common objectives include: Compliance Documentation : Adhering to standards like PCI DSS, HIPAA , GDPR , SOX, NIST, or NERC CIP. Attack Surface Reduction : Removing outdated or unnecessary rules. Performance Optimization : Streamlining rules to improve network speed. 2. Understand Network Topology Understanding your network’s topology is essential for effective firewall reviews. Key focus areas include: Security zones like DMZs. Loca...