10.6 Review logs for all system components at least daily. Log reviews must include those servers that perform security functions like intrusion detection system (IDS) and authentication, authorization, and accounting protocol (AAA) servers (for example, RADIUS).
Note: Log harvesting, parsing, and alerting tools may be used to achieve compliance with Requirement 10.6.
10.7 Retain audit trail history for at least one year, with a minimum of three months online availability.
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