zt_wl_011 — App Service uses legacy Easy Auth v1 without client auth enforcement¶
Summary
Severity: High · Pillar: Workload · Chain role: ANCHOR
Description¶
App Services using authsettings (v1) with clientAuthEnabled=false skip client certificate validation. When combined with App Registration high-privilege Graph permissions and storage with default-allow network rules, they form a multi-step path to tenant data (CHAIN-002).
Mapping¶
| Framework | Control / Reference |
|---|---|
| NIST 800-53 | IA-2 |
| NIST 800-207 | Tenet 2 - All communication secured |
| CIS Azure | — |
| MITRE ATT&CK Technique | T1078 |
| MITRE ATT&CK Tactic | Persistence |
| Zero-Trust Tenet | Tenet 2 |
| Framework tags | nist-800-207, argus-zt |
Source¶
Rule defined at policies/azure/zt/workload/zt_wl_011.rego.