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Assessment Title
Rule Text
AlmaLinux OS 9 must routinely check the baseline configuration for unauthorized changes and notify the system administrator when anomalies in the operation of any security functions are discovered.
Description
Discussion Text
Unauthorized changes to the baseline configuration could make the system vulnerable to various attacks or allow unauthorized access to the operating system. Changes to operating system configurations can have unintended side effects, some of which may be relevant to security.
Detecting such changes and providing an automated response can help avoid unintended, negative consequences that could ultimately affect the security state of the operating system. The operating system's information management officer (IMO)/information system security officer (ISSO) and system administrators (SAs) must be notified via email and/or monitoring system trap when there is an unauthorized modification of a configuration item.
Notifications provided by information systems include messages to local computer consoles, and/or hardware indications, such as lights.
This capability must take into account operational requirements for availability for selecting an appropriate response. The organization may choose to shut down or restart the information system upon security function anomaly detection.
Satisfies: SRG-OS-000447-GPOS-00201, SRG-OS-000446-GPOS-00200, SRG-OS-000363-GPOS-00150
Detecting such changes and providing an automated response can help avoid unintended, negative consequences that could ultimately affect the security state of the operating system. The operating system's information management officer (IMO)/information system security officer (ISSO) and system administrators (SAs) must be notified via email and/or monitoring system trap when there is an unauthorized modification of a configuration item.
Notifications provided by information systems include messages to local computer consoles, and/or hardware indications, such as lights.
This capability must take into account operational requirements for availability for selecting an appropriate response. The organization may choose to shut down or restart the information system upon security function anomaly detection.
Satisfies: SRG-OS-000447-GPOS-00201, SRG-OS-000446-GPOS-00200, SRG-OS-000363-GPOS-00150
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