UnclassifiedIdeologyMinimal sophistication
Deffan
Deffan is a threat actor group with an ideological motive, tracked by Brandefense. It targets organisations in 5 countries, including the United States and the United Kingdom. It uses 2 MITRE ATT&CK techniques.
- Techniques
- 2
- Exploited CVEs
- No CVE data
- Record updated
Who They Target.
About Deffan.
Responsible for website defacement activities, often replacing legitimate pages with self-created signature pages, political messages, propaganda content, ideological statements, or threat actor branding.
Last updated Jul 6, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.