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: 14 October 2026 20:41 UTC
Implementations targeting this control (5)
- aws-config-s3-bucket-server-side-encryption-enabled S3 bucket has default server-side encryption AWS::S3::Bucket partial protect enforce
- aws-config-cloudtrail-enabled CloudTrail is enabled in the account AWS::CloudTrail::Trail partial detect enforce
- aws-config-cloud-trail-log-file-validation-enabled CloudTrail log file validation is enabled AWS::CloudTrail::Trail partial detect enforce CIS §3.2Hub CloudTrail.4
- aws-config-cloud-trail-encryption-enabled Cloud Trail Encryption Enabled AWS::CloudTrail::Trail partial detect enforce CIS §3.5Hub CloudTrail.2
- aws-config-s3-default-encryption-kms S3 Default Encryption Kms AWS::S3::Bucket partial protect enforce
ATT&CK techniques this control mitigates (0)
- No ATT&CK techniques mapped to this control yet.
Weaknesses this control addresses (3)AI-assisted
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-200 | Exposure of Sensitive Information to an Unauthorized Actor | 11,700+ | Protecting audit information prevents exposure of sensitive data contained within logs to unauthorized actors. |
CWE-284 | Improper Access Control | 8,100+ | The control directly enforces access controls to prevent unauthorized access, modification, or deletion of audit information and tools. |
CWE-732 | Incorrect Permission Assignment for Critical Resource | 2,000+ | Audit 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-2026-84439 | 4.6 | 5.3 | 0.0074 | partial |
CVE-2026-84501 | 4.6 | 5.3 | 0.0074 | partial |
CVE-2026-41504 | 4.5 | 5.8 | 0.0039 | partial |
CVE-2026-87859 | 4.4 | 5.3 | 0.0041 | partial |
CVE-2026-109786 | 4.4 | 5.3 | 0.0031 | partial |
CVE-2026-16188 | 4.3 | 5.3 | 0.0027 | partial |
CVE-2026-85290 | 4.3 | 5.3 | 0.0024 | partial |
CVE-2026-16189 | 3.8 | 4.8 | 0.0022 | partial |
CVE-2026-86522 | 3.5 | 6.3 | 0.0074 | partial |
CVE-2026-6327 | 3.5 | 4.3 | 0.0017 | partial |
CVE-2026-93421 | 3.5 | 5.3 | 0.0040 | partial |
CVE-2026-76267 | 3.5 | 4.3 | 0.0017 | partial |
CVE-2026-11538 | 3.1 | 3.7 | 0.0016 | partial |