Storm-2603
Unknown Active
- Mentions
- 1
- First seen
- 05 Nov 2026
- Last seen
- 05 Nov 2026
Origin
Unattributed
Profile
Storm-2603 is a threat actor mentioned in a report related to a fileless SharePoint breach. The headline suggests a possible intrusion via SharePoint without file-based malware components. No further details on targeted sectors, regions, or countries are included in the available reporting.
Affected vendors
Microsoft