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Network Audit Checklist:

  1. Documentation and Inventory
    • Verify up-to-date network diagrams
    • Maintain a list of all devices, including servers, routers, switches, firewalls, and wireless access points
    • Keep a record of all installed software and licenses
    • Document the locations of all network devices
  2. Network Security
    • Assess firewall configurations and rules
    • Verify antivirus and antimalware software are up-to-date
    • Review user access controls and permissions
    • Evaluate VPN configurations and remote access policies
    • Check for security patches and updates on all devices
    • Ensure wireless networks are secured with strong encryption methods
    • Review intrusion detection and prevention systems (IDS/IPS)
  3. Network Performance and Monitoring
    • Analyze bandwidth usage and capacity planning
    • Review network traffic patterns for anomalies
    • Assess network latency and response times
    • Verify network monitoring tools are in place and configured properly
    • Test network failover and redundancy measures
  4. Device Configuration and Management
    • Review configuration backups for all network devices
    • Confirm devices are running on the latest firmware versions
    • Evaluate device configurations for best practices and standards
    • Check for proper VLAN and subnet configurations
    • Assess device logs for errors or potential issues
  5. Network Policies and Procedures
    • Review the organization’s network policies and procedures
    • Confirm compliance with industry standards and regulations (e.g., HIPAA, GDPR, PCI DSS)
    • Evaluate the incident response plan and disaster recovery procedures
    • Review change management processes and documentation
  6. Physical Security
    • Check the physical security of network devices and server rooms
    • Assess access control measures in place for sensitive areas
    • Verify environmental monitoring (e.g., temperature, humidity, and water sensors)
    • Review uninterruptible power supply (UPS) systems and backup power options
  7. Backup and Data Recovery
    • Confirm backup schedules and storage locations
    • Test data recovery processes and procedures
    • Review data retention policies
    • Assess the security of backup data
  8. Training and Awareness
    • Ensure staff are trained on network security best practices and policies
    • Verify that users are aware of their responsibilities in maintaining network security
    • Review the effectiveness of security awareness programs
  9. Third-Party Vendor Management
    • Review contracts and service level agreements (SLAs) with third-party vendors
    • Assess the security of third-party connections and access to the network
    • Verify vendor compliance with industry standards and regulations
  10. Audit Report and Remediation Plan
    • Compile findings and recommendations in a comprehensive audit report
    • Prioritize identified issues and develop a remediation plan
    • Schedule follow-up audits to ensure ongoing compliance and improvement