AWS EC2 Encryption Disabled

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Identifies disabling of Amazon Elastic Block Store (EBS) encryption by default in the current region. Disabling encryption by default does not change the encryption status of your existing volumes.

Rule type: query

Rule indices:

  • filebeat-*
  • logs-aws*

Severity: medium

Risk score: 47

Runs every: 10m

Searches indices from: now-60m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Domain: Cloud
  • Data Source: AWS
  • Data Source: Amazon Web Services
  • Tactic: Impact

Version: 105

Rule authors:

  • Elastic

Rule license: Elastic License v2

Investigation guide

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Rule query

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event.dataset:aws.cloudtrail and event.provider:ec2.amazonaws.com and event.action:DisableEbsEncryptionByDefault and event.outcome:success

Framework: MITRE ATT&CKTM