An operation was performed by an identity from a domain that was not seen in the organization

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	5 Days
Required Data	Requires one of the following data sources: AWS Audit Log OR Azure Audit Log OR Gcp Audit Log
Detection Modules	Cloud
Detector Tags	OCI Analytics
ATT&CK Tactic	Initial Access (TA0001)
ATT&CK Technique	External Remote Services (T1133)
Severity	Informational

Description

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

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 cloud identity activity in the organization.

Variations

An operation was performed by an identity from a domain that was not seen in the tenant

Synopsis

Field	Value
ATT&CK Tactic	Initial Access (TA0001)
ATT&CK Technique	External Remote Services (T1133)
Severity	Low

Description

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

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 cloud identity activity in the organization.