IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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AWS EC2 Encryption Disabled

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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.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

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Setup

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

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&CK^TM

Tactic:
- Name: Impact
- ID: TA0040
- Reference URL: https://attack.mitre.org/tactics/TA0040/
Technique:
- Name: Data Manipulation
- ID: T1565
- Reference URL: https://attack.mitre.org/techniques/T1565/
Sub-technique:
- Name: Stored Data Manipulation
- ID: T1565.001
- Reference URL: https://attack.mitre.org/techniques/T1565/001/

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