S3 configuration deletion

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	AWS Audit Log
Detection Modules	Cloud
Detector Tags	Cloud Data Asset Disaster Recovery Risks, Cloud Data Asset Stealth Tactics, Cloud Data Asset Configuration, Data Detection & Response
ATT&CK Tactic	Impact (TA0040)
ATT&CK Technique	Data Encrypted for Impact (T1486)
Severity	Informational

Description

An S3 bucket configuration has been deleted. This may affect the S3 access, and the objects it contains.

Attacker's Goals

Modify the S3 configuration and expose stored sensitive data.

Investigative actions

• Check what data is stored on the S3.
• Check which configuration change has been made.
• Verify this change did not make this S3 publicly available.