cis_1_8 — Ensure legacy authentication protocols are blocked¶
Summary
Severity: High · Pillar: Identity · Chain role: ENABLER
Description¶
Legacy authentication (IMAP, POP, SMTP basic auth, older Office clients) does not support MFA and is the primary vector for password spray attacks.
Mapping¶
| Framework | Control / Reference |
|---|---|
| NIST 800-53 | IA-2 |
| NIST 800-207 | Tenet 2 - All communication secured |
| CIS Azure | 1.8 |
| MITRE ATT&CK Technique | T1110.003 |
| MITRE ATT&CK Tactic | Credential Access |
| Zero-Trust Tenet | Tenet 2 |
| Framework tags | nist-800-207, cis-azure-2.0, nist-800-53 |
Source¶
Rule defined at policies/azure/cis/identity/cis_1_8.rego.