cis_3_3 — Ensure public blob access is disabled on storage accounts¶
Summary
Severity: Critical · Pillar: Data · Chain role: ANCHOR
Description¶
Storage accounts with allowBlobPublicAccess=true permit anonymous reads of any container configured as Blob or Container public access. This is a primary cause of cloud data breaches.
Mapping¶
| Framework | Control / Reference |
|---|---|
| NIST 800-53 | AC-3 |
| NIST 800-207 | Tenet 3 - Per-session authenticated access |
| CIS Azure | 3.3 |
| MITRE ATT&CK Technique | T1530 |
| MITRE ATT&CK Tactic | Collection |
| Zero-Trust Tenet | Tenet 3 |
| Framework tags | nist-800-207, cis-azure-2.0, nist-800-53 |
Source¶
Rule defined at policies/azure/cis/storage/cis_3_3.rego.