MS13089 — Ransomware Profile
MS13089 is a newly emerged ransomware group (first observed December 2025) that named itself after a 2013 Microsoft Security Bulletin, claiming a handful of victims including a law firm, operating primarily as a double-extortion actor.Recent claimed victims
- servmarmg.cl 2026-08-15
- brittanyresidential.com 2026-05-05