zt_id_004 — Cross-tenant access unrestricted¶
Summary
Severity: High · Pillar: Identity · Chain role: ENABLER
Description¶
Unrestricted cross-tenant access settings allow external tenants to consume resources without scoped B2B policy, enabling supply chain compromise.
Mapping¶
| Framework | Control / Reference |
|---|---|
| NIST 800-53 | AC-3 |
| NIST 800-207 | Tenet 4 - Access determined by dynamic policy |
| CIS Azure | — |
| MITRE ATT&CK Technique | T1199 |
| MITRE ATT&CK Tactic | Initial Access |
| Zero-Trust Tenet | Tenet 4 |
| Framework tags | nist-800-207, argus-zt |
Source¶
Rule defined at policies/azure/zt/identity/zt_id_004.rego.