COLLAB-009: Calendar External Invitations
- Platform
- Google Workspace
- Category
- Collaboration
- Severity
- Medium
- Zero Trust pillar
- Applications & Workloads (weight 1)
- Golden fixtures
- 1
- Branch coverage
- Observed: fixtures prove the verdicts they exercise
- Provenance
- baseline
What it checks
Users should be warned or restricted when sending calendar invitations to external recipients to prevent accidental information disclosure
Recommended value
External invitation warnings enabled
Remediation
Admin Console > Apps > Google Workspace > Calendar > Sharing settings > Enable external invitation warnings
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
- AC-4, SI-11
- CIS Benchmark
- 5.9
- CISA SCuBA
- GWS.CALENDAR.2.1v1
- MITRE ATT&CK
- T1589