Blackout
Blackout is a ransomware group with a financial motive, tracked by Brandefense. It targets 12 sectors, including Government and Technology, in 10 countries, including the United States and France.
- Techniques
- 0
- Exploited CVEs
- No CVE data
- First seen
- Feb 26, 2024
- Last seen
- Jul 19, 2026
- Record updated
Who They Target.
Sectors · 12
Labelsransomware
About Blackout.
Blackout is a ransomware group that first appeared in early 2024, initially claiming attacks against healthcare entities in Canada, France, and Germany before expanding to telecommunications, mining, and manufacturing sectors, operating a double-extortion model with a data leak site.
Last updated Oct 1, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.