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

Cortex XDR Analytics Alert Reference by Alert name

Product

Cortex XDR

Last date published

2024-10-08

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

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

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

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.

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

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

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

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.

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

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

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

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.