SaaS suspicious external domain user activity

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SaaS suspicious external domain user activity

An operation was performed by an identity. This identity belongs to a domain that was not seen in the organization before.

Module:: Identity Threat Detection (ITDR), SaaS Threat Detection
Licensed by:: Identity Threat Detection (ITDR)
Data source:: Google Workspace Audit Logs, Office 365 Audit

ATT&CK tactics: Initial Access (TA0001)

ATT&CK techniques: External Remote Services (T1133)

Attacker's goals:

Gain their initial foothold within the organization and explore the environment to achieve their target.

Investigative actions:

Investigate the external domain name. Check the identity activity in the organization.

Test period:: N/A (single event)
Deduplication:: 1 Day

1 variation:

Suspicious external user activity detected from a domain first seen in the organization Low (parent: Informational)