4.1.7 Ensure events that modify the system's Mandatory Access Controls are collected (Scored) [SecScan]

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======4.1.7 Ensure events that modify the system's Mandatory Access Controls are collected (Scored)======
=====Profile Applicability=====  
<code>
Level 2 - Server
Level 2 - Workstation 
</code>

=====Description=====
Monitor SELinux mandatory access controls. The parameters below monitor any write access (potential additional, deletion or modification of files in the directory) or attribute changes to the /etc/selinux or directory.

=====Rationale=====
Changes to files in these directories could indicate that an unauthorized user is attempting to modify access controls and change security contexts, leading to a compromise of the system.

=====Audit===== 
Run the following command and verify output matches:
<Code:bash>
# grep MAC-policy /etc/audit/audit.rules 
-w /etc/selinux/ -p wa -k MAC-policy
</Code>

=====Remediation===== 
Add the following line to the /etc/audit/audit.rules file:
<Code:bash>
-w /etc/selinux/ -p wa -k MAC-policy
</Code>