IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
« AWS EC2 EBS Snapshot Shared with Another Account AWS EC2 Full Network Packet Capture Detected »
Elastic Docs ›Elastic Security Solution [8.15] ›Detections and alerts ›Prebuilt rule reference

AWS EC2 Encryption Disabled

edit

AWS EC2 Encryption Disabled

edit

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.cloudtrail-*

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
  • Data Source: AWS EC2
  • Tactic: Impact

Version: 206

Rule authors:

  • Elastic

Rule license: Elastic License v2

Investigation guide

edit

Setup

edit

The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.

Rule query

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

Framework: MITRE ATT&CKTM

« AWS EC2 EBS Snapshot Shared with Another Account AWS EC2 Full Network Packet Capture Detected »