GCP Storage Bucket Configuration Modification

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Gcp Audit Log
Detection Modules	Cloud
Detector Tags	Cloud Data Asset Configuration, Data Detection & Response
ATT&CK Tactic	Impact (TA0040)
ATT&CK Technique	Data Manipulation: Stored Data Manipulation (T1565.001)
Severity	Informational

Description

A GCP storage bucket configuration has been modified.

Attacker's Goals

Manipulate stored data.

Investigative actions

• Check if there were any services/procedures affected by the modification.
• Check what other actions were taken by the identity that modified the configuration.