An identity accessed a cloud storage for the first time

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2026-05-10
Category
Analytics Alert Reference
Index by
Alert name

Synopsis

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

ATT&CK Technique

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.