zt_vis_013 — NSG flow log retention period is less than 90 days¶
Summary
Severity: Medium · Pillar: Visibility · Chain role: AMPLIFIER
Description¶
NSG flow logs record network traffic metadata. Retention below 90 days limits the ability to investigate lateral movement and data exfiltration after a breach.
Mapping¶
| Framework | Control / Reference |
|---|---|
| NIST 800-53 | AU-11 |
| NIST 800-207 | Tenet 5 - Integrity monitored |
| CIS Azure | — |
| MITRE ATT&CK Technique | T1070 |
| MITRE ATT&CK Tactic | Defense Evasion |
| Zero-Trust Tenet | Tenet 5 |
| Framework tags | nist-800-207, argus-zt |
Source¶
Rule defined at policies/azure/zt/visibility/zt_vis_013.rego.