LoFP / topic deletions may be done by a system or network administrator. verify whether the user email, resource name, and/or hostname should be making changes in your environment. topic deletions by unfamiliar users or hosts should be investigated. if known behavior is causing false positives, it can be exempted from the rule.

Techniques

• T1562

Sample rules

GCP Pub/Sub Topic Deletion

• source: elastic
• technicques:
  • T1562

Description

Identifies the deletion of a topic in Google Cloud Platform (GCP). In GCP, the publisher-subscriber relationship (Pub/Sub) is an asynchronous messaging service that decouples event-producing and event-processing services. A publisher application creates and sends messages to a topic. Deleting a topic can interrupt message flow in the Pub/Sub pipeline.

Detection logic

event.dataset:gcp.audit and event.action:google.pubsub.v*.Publisher.DeleteTopic and event.outcome:success