EMAIL-005: TLS Enforcement
- Platform
- Google Workspace
- Category
- Advanced Threat Protection
- Severity
- High
- Zero Trust pillar
- Applications & Workloads (weight 2)
- Golden fixtures
- 1
- Branch coverage
- Observed: fixtures prove the verdicts they exercise
- Provenance
- baseline
What it checks
Transport Layer Security (TLS) should be required for email transmission to prevent eavesdropping. Compliance TLS settings ensure encrypted connections with specified partner domains
Recommended value
TLS required for all outbound and inbound connections
Remediation
Admin Console > Apps > Google Workspace > Gmail > Compliance > Secure transport (TLS) compliance > Add rule requiring TLS for all domains or specific partner domains
Fixture-proven verdicts
Every verdict below is proven by a golden fixture in the module's gating test suite. This table derives from the last green run; it cannot be edited by hand.
| Scenario | Expected verdict |
|---|---|
| always-warn | WARN |
Framework mappings
- NIST SP 800-53
- SC-8, SC-8(1), SC-23
- CIS Benchmark
- 2.5
- MITRE ATT&CK
- T1557, T1040
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Guerrilla is free and open source. · Validation
Guerrilla is written and maintained by Jim Tyler. This copy lives on jimtyler.org; the project also publishes at guerrilla.army.