Suspicious GCP Break-glass Container Workload Deployed (via gcp.audit)

title: Suspicious GCP Break-glass Container Workload Deployed (via gcp.audit)
id: b7ecc1c3-1b1e-5800-86c0-f92eb83971f4
status: stable
description: This rule detects the deployment of workloads that are deployed by using the break-glass flag to override Binary Authorization controls.
references:
    - https://attack.mitre.org/techniques/T1548/
    - https://cloud.google.com/binary-authorization
author: Huntrule Team
date: 2026-05-15
tags:
    - attack.privilege-escalation
    - attack.t1548
logsource:
    product: gcp
    service: gcp.audit
detection:
    selection:
        data.protoPayload.resource.type: 'k8s_cluster'
        data.protoPayload.logName:
            - 'cloudaudit.googleapis.com/activity'
            - 'cloudaudit.googleapis.com%2Factivity'
        data.protoPayload.methodName: 'io.k8s.core.v1.pods.create'
    keywords:
        - 'image-policy.k8s.io/break-glass'
    condition: selection and keywords
falsepositives:
    - Unknown
level: medium