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

Techniques

• T1565

Sample rules

AWS EC2 Encryption Disabled

• source: elastic
• technicques:
  • T1565

Description

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.

Detection logic

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