A GCP service account was delegated domain-wide authority in Google Workspace

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	2 Days
Required Data	Google Workspace Audit Logs
Detection Modules	Identity Threat Module, SaaS Threat Detection
Detector Tags	Google Workspace
ATT&CK Tactic	Privilege Escalation (TA0004)
ATT&CK Technique	Domain or Tenant Policy Modification (T1484)
Severity	Low

Description

A Google Workspace admin has enabled domain-wide delegation to a GCP service account.

Attacker's Goals

Malicious Apps can be used to access the organization's Google data.

Investigative actions

• Check if the identity intended to perform this action or look for signs that the user account is compromised (e.g. abnormal logins, unusual activity).
• Check if the new settings look suspicious.
• Follow further actions done by the account.

Variations

A Google Workspace admin has enabled domain-wide delegation to a GCP service account and granted him access to a sensitive scope

Synopsis

Field	Value
ATT&CK Tactic	Privilege Escalation (TA0004)
ATT&CK Technique	Domain or Tenant Policy Modification (T1484)
Severity	Medium

Description

A Google Workspace admin has enabled domain-wide delegation to a GCP service account.

Attacker's Goals

Malicious Apps can be used to access the organization's Google data.

Investigative actions

• Check if the identity intended to perform this action or look for signs that the user account is compromised (e.g. abnormal logins, unusual activity).
• Check if the new settings look suspicious.
• Follow further actions done by the account.