Information System Audit Checklist

1. Governance and Compliance

2. Information Security Management

3. IT Infrastructure and Operations

  • Review device settings for compliance with security policies.
  • Ensure strong passwords and authentication methods are enforced.
  • Confirm firmware is up to date.
  • Check for unnecessary open ports and services.
  • Document configurations and changes.
  • Review access controls and permissions for all users.
  • Ensure encryption is implemented for sensitive data.
  • Check for default settings and harden configurations.
  • Validate logging functions are enabled for security events.
  • Conduct regular security assessments.
  • Verify backup schedules and retention policies.
  • Ensure backups are stored securely and off-site.
  • Test recovery procedures for effectiveness.
  • Document backup logs and verify successful completion.
  • Review access controls for backup data.
  • Confirm that event logging is enabled for all systems.
  • Ensure logs are stored securely and monitored regularly.
  • Review alerting mechanisms for critical events.
  • Assess the retention period of log data.
  • Conduct periodic log analysis for anomalies.
  • Review firewall rules for unnecessary access.
  • Ensure IDS/IPS signatures are updated regularly.
  • Test systems against known vulnerabilities.
  • Document changes to firewall and IDS/IPS configurations.
  • Monitor alerts for unusual activity.
  • Schedule regular vulnerability scans.
  • Assess findings and prioritize remediation.
  • Document testing methodologies used.
  • Review results with stakeholders.
  • Ensure retesting of remediated vulnerabilities.
  • Review patch management policies and procedures.
  • Verify timely application of critical patches.
  • Assess testing procedures for patches before deployment.
  • Document all applied patches and updates.
  • Monitor for new vulnerabilities post-patching.
  • Ensure all assets are logged in an inventory system.
  • Verify the accuracy of asset details (e.g., model, version).
  • Conduct periodic audits of physical assets.
  • Document asset lifecycle management processes.
  • Assess compliance with licensing agreements.
  • Review network diagrams for segmentation effectiveness.
  • Validate access control lists for critical systems.
  • Test firewall rules between segments.
  • Document exceptions and justifications for access.
  • Monitor traffic between segments for anomalies.
  • Review policies and procedures for compliance.
  • Conduct regular audits against standards.
  • Document non-compliance issues and remediation plans.
  • Provide training on compliance requirements.
  • Engage external auditors for objective assessments.
  • Review deployment of antivirus and antimalware solutions.
  • Verify regular updates and definitions are current.
  • Test endpoint protection against common threats.
  • Document incident response procedures for infected devices.
  • Monitor for alerts and respond accordingly.
  • Ensure hypervisor settings comply with security policies.
  • Verify isolation between virtual machines.
  • Check for unnecessary services running on hypervisors.
  • Document configurations and changes to virtual environments.
  • Conduct assessments for vulnerabilities in virtualized systems.
  • Verify that monitoring tools are configured for critical systems.
  • Review performance metrics and establish baselines.
  • Document incidents of performance degradation.
  • Schedule regular reviews of monitoring configurations.
  • Assess the response time to alerts.
  • Review incident response plans for completeness.
  • Ensure roles and responsibilities are clearly defined.
  • Document escalation procedures and communication plans.
  • Conduct regular training and simulation exercises.
  • Update plans based on lessons learned from incidents.

4. Application Security

5. Business Continuity and Disaster Recovery

6. Employee Training and Awareness

7. Monitoring and Reporting

8. Physical Security

9. Change Management

10. Continuous Improvement

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