COLLAB-008: Calendar External Sharing
- 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
Calendar sharing with external users should be limited to free/busy information to prevent exposure of meeting details and attendees
Recommended value
External calendar sharing limited to free/busy information only
Remediation
Admin Console > Apps > Google Workspace > Calendar > Sharing settings > External sharing options > Set to 'Only free/busy information'
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-3, AC-22
- CIS Benchmark
- 5.8
- CISA SCuBA
- GWS.CALENDAR.1.1v1, GWS.CALENDAR.1.2v1
- MITRE ATT&CK
- T1530, T1589