Cloud snapshot of a database or storage instance was publicly shared

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	5 Days
Required Data	AWS Audit Log
Detection Modules	Cloud
Detector Tags	Cloud Data Asset Exfiltration, Cloud Data Asset Public Exposure, Data Detection & Response
ATT&CK Tactic	Exfiltration (TA0010)
ATT&CK Technique	Transfer Data to Cloud Account (T1537)
Severity	Medium

Description

A cloud identity has publicly shared a snapshot of a database or storage instance.

Attacker's Goals

Exfiltrate sensitive data that resides on the snapshot.

Investigative actions

• Check if the identity intended to share the snapshot publicly.
• Check if the identity performed additional malicious operations within the cloud environment.