COLLAB-004: Chat External Communication
- Platform
- Google Workspace
- Category
- Collaboration
- Severity
- High
- Zero Trust pillar
- Applications & Workloads (weight 2)
- Golden fixtures
- 3
- Branch coverage
- Observed: fixtures prove the verdicts they exercise
- Provenance
- baseline
What it checks
External chat communication should be restricted to prevent data leakage through direct messages with external users
Recommended value
External chat restricted or disabled for most users
Remediation
Admin Console > Apps > Google Workspace > Google Chat > Chat settings > External chat > Restrict external chat to specific OUs
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 |
|---|---|
| clean | PASS |
| known-bad | FAIL |
| throttled | Not Assessed |
Framework mappings
- NIST SP 800-53
- AC-4, SC-7
- CIS Benchmark
- 5.4
- CISA SCuBA
- GWS.CHAT.4.1v1
- MITRE ATT&CK
- T1567, T1048
Zero analytics. Zero tracking. Zero cookies. This site makes no external requests, so there is nothing to consent to.
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.