Google Workspace Bitlocker Setting Disabled
editGoogle Workspace Bitlocker Setting Disabled
editGoogle Workspace administrators whom manage Windows devices and have Windows device management enabled may also enable BitLocker drive encryption to mitigate unauthorized data access on lost or stolen computers. Adversaries with valid account access may disable BitLocker to access sensitive data on an endpoint added to Google Workspace device management.
Rule type: query
Rule indices:
- filebeat-*
- logs-google_workspace*
Severity: medium
Risk score: 47
Runs every: 10m
Searches indices from: now-130m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Cloud
- Google Workspace
- Continuous Monitoring
- SecOps
- Configuration Audit
- Defense Evasion
Version: 2
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guide
edit### Important Information Regarding Google Workspace Event Lag Times - As per Google's documentation, Google Workspace administrators may observe lag times ranging from minutes up to 3 days between the time of an event's occurrence and the event being visible in the Google Workspace admin/audit logs. - This rule is configured to run every 10 minutes with a lookback time of 130 minutes. - To reduce the risk of false negatives, consider reducing the interval that the Google Workspace (formerly G Suite) Filebeat module polls Google's reporting API for new events. - By default, `var.interval` is set to 2 hours (2h). Consider changing this interval to a lower value, such as 10 minutes (10m). - See the following references for further information: - https://support.google.com/a/answer/7061566 - https://www.elastic.co/guide/en/beats/filebeat/current/filebeat-module-google_workspace.html
Rule query
editevent.dataset:"google_workspace.admin" and event.action:"CHANGE_APPLICATION_SETTING" and event.category:(iam or configuration)
and google_workspace.admin.new_value:"Disabled" and google_workspace.admin.setting.name:BitLocker*
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Impair Defenses
- ID: T1562
- Reference URL: https://attack.mitre.org/techniques/T1562/
-
Sub-technique:
- Name: Disable or Modify Tools
- ID: T1562.001
- Reference URL: https://attack.mitre.org/techniques/T1562/001/