Kubernetes Secret Access via Unusual User Agent

Last updated a day ago on 2026-03-26

Created a day ago on 2026-03-26

About

This rule detects when secrets are accessed via an unusual user agent, user name and source IP. Attackers may attempt to access secrets in a Kubernetes cluster to gain access to sensitive information after gaining access to the cluster.

Tags

Data Source: KubernetesDomain: KubernetesDomain: CloudUse Case: Threat DetectionTactic: Credential AccessLanguage: kuery

Severity

low

Risk Score

MITRE ATT&CK™

Credential Access (TA0006)(external, opens in a new tab or window)

↳ Unsecured Credentials (T1552)(external, opens in a new tab or window)

License

Elastic License v2(external, opens in a new tab or window)

Definition

Rule Type: New Terms Rule
Integration Pack: Prebuilt Security Detection Rules
Index Patterns: logs-kubernetes.audit_logs-*
Related Integrations: kubernetes(external, opens in a new tab or window)
Query

✄𐘗text code block:
✄𐘗event.dataset:"kubernetes.audit_logs" and kubernetes.audit.objectRef.resource:"secrets" and
kubernetes.audit.verb:("get" or "list") and user_agent.original:(* and not (*kubernetes/$Format))

Install detection rules in Elastic Security

Detect Kubernetes Secret Access via Unusual User Agent in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(external, opens in a new tab or window).