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Audit account modifications affecting /etc/security/opasswd (Ubuntu)

audit-usergroup-opasswd · UBUNTU ≥ 22 · 1 impl

Description

All account creation, modification, disabling, and termination events that affect /etc/security/opasswd must generate an audit record.

Rationale

/etc/security/opasswd stores password history; auditing changes to it allows detection of unauthorized tampering with password reuse controls.

Check → Remediate

Checkaudit_rule_exists
rule:
-w /etc/security/opasswd -p wa -k usergroup_modification
Remediateaudit_rule_set
rule:
-w /etc/security/opasswd -p wa -k usergroup_modification
persist_file:
/etc/audit/rules.d/50-usergroup-opasswd.rules

Framework references

STIG

V-270688 / UBTU-24-200320V-260630 / UBTU-22-654140

NIST 800-53

AU-2AU-12

Live verification

ubuntu22:checkubuntu24:checkubuntu24:remediate
#audit#auditd#accounts#usergroup