Analytics Low

Microsoft 365 storage services exfiltration activity

The Microsoft Graph API was used to download Microsoft OneDrive and SharePoint files.

Module:
Cortex Cloud
Licensed by:
Cloud Runtime Security (CRS)
Data source:
Azure Audit Log, Microsoft Graph Logs
ATT&CK tactics: Collection (TA0009)
ATT&CK techniques: Data from Cloud Storage (T1530)
Detector tags: Microsoft Graph Activity Logs
Attacker's goals:

To extract sensitive information stored in Microsoft 365 storage services.

Investigative actions:

Determine which items were downloaded and whether they contained any sensitive information. Investigate the identity following actions.

Test period:
10 Minutes
Deduplication:
5 Days