ms13089 Unknown

First seen: 15/01/2026 23:17 Last Attack: 15/01/2026
1
Total Victims
0
Victims (30d)
Details

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.

Leak Site

Onion URL: http://msleakjir7pxbe6onlqe5uwgvdmy6nq4mnwfy7ojswbhnleenm77vgad.onion

Victims by Country
🇬🇧 United Kingdom 1
Ransomware Victims 1
Victim Country Sector Discovered
sjl-legal.com 🇬🇧 GB Not Found 15/01/2026 23:17
15/01/2026
Metadata

Slug: ms13089

Created: 14/01/2026 08:19

Updated: 28/06/2026 16:02