Analytics BIOC
Low
✕
Exchange mailbox audit bypass
A user added mailbox audit bypass for an account. This will allow the account to perform actions without being logged, and may indicate an attempt to evade detection.
- Module:
- Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security
- Licensed by:
- Identity Threat Detection (ITDR)
- Licensed by:
- Email Security
- Data source:
- Office 365 Audit
ATT&CK tactics: Defense Evasion (TA0005)
ATT&CK techniques: Impair Defenses (T1562) Impair Defenses: Disable or Modify Tools (T1562.001)
Attacker's goals:
An attacker may abuse the audit bypass mechanism to conceal actions and evade detection.
Investigative actions:
Follow further actions done by the account. Verify that the configuration change was expected.
- Test period:
- N/A (single event)
- Deduplication:
- 1 Day