An identity accessed a cloud storage for the first time

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Requires one of the following data sources: AWS Audit Log OR Azure Audit Log OR Gcp Audit Log
Detection Modules	Cloud
Detector Tags	Cloud Data Asset Exfiltration
ATT&CK Tactic	Collection (TA0009), Exfiltration (TA0010)
ATT&CK Technique	Data from Cloud Storage (T1530), Automated Exfiltration (T1020)
Severity	Informational

Description

An identity accessed a cloud storage resource for the first time.

Attacker's Goals

Exfiltrate data from the cloud environment.

Investigative actions

• Review the identity that invoked the operation.
• Verify the accessed resource and ensure it does not contain sensitive data.