Achieving PCI DSS 10.5.5 and 11.5 with File Integrity Monitoring

: Under Requirement 11.5, the software must be configured to perform critical file comparisons at least once a week . Implementation Best Practices

File Integrity Monitoring (FIM) is a critical security control for PCI DSS compliance, specifically addressing the protection of logs and the detection of unauthorized changes to system files. Key PCI DSS Requirements for FIM

: Requires FIM to alert personnel of unauthorized modifications to critical system files , configuration files, or content files.

: Mandates using FIM or change-detection software on logs to ensure existing data cannot be modified without generating an alert. Importantly, new data being appended to logs should not trigger these alerts.

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