New

The executive guide to generative AI

Read more

GCP Storage Bucket Permissions Modification

edit

GCP Storage Bucket Permissions Modification

edit

Identifies when the Identity and Access Management (IAM) permissions are modified for a Google Cloud Platform (GCP) storage bucket. An adversary may modify the permissions on a storage bucket to weaken their target’s security controls or an administrator may inadvertently modify the permissions, which could lead to data exposure or loss.

Rule type: query

Rule indices:

  • filebeat-*
  • logs-gcp*

Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: None (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Domain: Cloud
  • Data Source: GCP
  • Data Source: Google Cloud Platform
  • Use Case: Identity and Access Audit
  • Tactic: Defense Evasion

Version: 104

Rule authors:

  • Elastic

Rule license: Elastic License v2

Investigation guide

edit

Rule query

edit
event.dataset:gcp.audit and event.action:"storage.setIamPermissions" and event.outcome:success

Framework: MITRE ATT&CKTM

Was this helpful?
Feedback