Cyber Posture

NIST 800-53 r5 · Controls catalogue · Family AU

AU-9Protection of Audit Information

Protect audit information and audit logging tools from unauthorized access, modification, and deletion; and Alert {{ insert: param, au-09_odp }} upon detection of unauthorized access, modification, or deletion of audit information.

Last updated: 09 May 2026 03:25 UTC

Implementations targeting this control (1)

ATT&CK techniques this control mitigates (0)

Weaknesses this control addresses (3)AI

CWEs ranked by how often they appear in real CVEs. The rationale describes how this control reduces exploitability of each weakness class.

CWE Name CVEs Why this control addresses it
CWE-200Exposure of Sensitive Information to an Unauthorized Actor10,204Protecting audit information prevents exposure of sensitive data contained within logs to unauthorized actors.
CWE-284Improper Access Control4,832The control directly enforces access controls to prevent unauthorized access, modification, or deletion of audit information and tools.
CWE-732Incorrect Permission Assignment for Critical Resource1,824Audit logs and logging tools are critical resources whose protection requires correct permission assignments to block unauthorized actions.

Top CVEs where this control is the strongest mitigation

CVE Risk CVSS EPSS Match
CVE-2025-276822.09.80.0021good
CVE-2024-135132.09.80.0015good
CVE-2026-47881.78.40.0001good
CVE-2025-229601.68.00.0026good
CVE-2026-282611.67.80.0001good
CVE-2024-579571.36.60.0010good
CVE-2025-133156.99.80.8288good
CVE-2024-488522.09.40.0270good
CVE-2025-304242.09.80.0070good
CVE-2025-110082.09.80.0021good
CVE-2026-09052.09.80.0003good
CVE-2024-529751.89.00.0034good
CVE-2026-234931.78.60.0000good
CVE-2026-220381.68.10.0011good
CVE-2024-84741.67.50.0084partial
CVE-2026-237751.57.60.0002good
CVE-2025-672231.57.50.0015good
CVE-2026-42761.57.50.0007good
CVE-2025-10751.57.50.0021good
CVE-2025-264951.57.50.0012good
CVE-2026-344871.57.50.0008good
CVE-2026-349691.57.50.0005partial
CVE-2025-241691.57.50.0004partial
CVE-2025-245561.57.50.0006good
CVE-2019-256051.57.50.0004good

Other controls in family AU

AU-1 AU-10 AU-11 AU-12 AU-13 AU-14 AU-15 AU-16 AU-2 AU-3 AU-4 AU-5 AU-6 AU-7 AU-8