Kubernetes network policy modification

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	5 Days
Required Data	Requires one of the following data sources: AWS Audit Log OR Azure Audit Log OR Gcp Audit Log OR Kubernetes Audit Logs
Detection Modules	Cloud
Detector Tags	Kubernetes - API
ATT&CK Tactic	Impact (TA0040)
ATT&CK Technique	Network Denial of Service (T1498)
Severity	Informational

Description

A change has been made to the network policies of a Kubernetes cluster.

Attacker's Goals

• Gain access to the network infrastructure.* Gain access to sensitive data.* Gain access to Kubernetes resources.

Investigative actions

• Investigate the Kubernetes Network Policy to identify the changes made.* Verify whether the identity should be making this action.