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IT Security Audit Checklist
Access Control
Ensure that user access levels are based on the principle of least privilege.
Verify that multi-factor authentication (MFA) is implemented for all critical systems.
Review and update user access rights on a regular basis.
Ensure that there is a process for promptly revoking access for terminated employees.
Check that access to sensitive data is logged and monitored.
Data Protection
Ensure that data encryption is used for data at rest and in transit.
Verify that backup procedures are in place and that backups are regularly tested.
Implement data loss prevention (DLP) tools to monitor and protect sensitive information.
Check that sensitive data is properly classified and labeled.
Ensure that there are policies and procedures for handling data breaches.
Network Security
Ensure that firewalls are configured and regularly updated to block unauthorized access.
Verify that intrusion detection and prevention systems (IDPS) are in place and monitored.
Check that network segmentation is implemented to limit access between different parts of the network.
Ensure that wireless networks are secured with strong encryption and authentication methods.
Review and update network security policies and procedures regularly.
Incident Response
Ensure that an incident response plan is in place and regularly tested.
Verify that there is a clear process for reporting and responding to security incidents.
Check that incident response team members are trained and aware of their roles and responsibilities.
Ensure that post-incident analysis is conducted to identify and address root causes.
Verify that there is a process for communicating with stakeholders during and after an incident.
Compliance and Audit
Ensure that the organization complies with relevant regulations and standards (e.g., GDPR, PCI DSS).
Verify that regular security audits and assessments are conducted by internal and external parties.
Check that audit logs are maintained and reviewed for suspicious activity.
Ensure that there is a process for addressing and remediating audit findings.
Verify that security policies and procedures are documented and regularly updated.
