atomsilo Unknown

First seen: 24/02/2026 22:49 Last Attack: 24/02/2026
1
Total Victims
0
Victims (30d)
Details

AtomSilo is a double-extortion ransomware group that emerged in September 2021, exploiting the Atlassian Confluence vulnerability (CVE-2021-26084) for initial access and demanding ransoms up to $1 million, attributed to the Chinese state-linked threat actor BRONZE STARLIGHT.

Leak Site

Onion URL: http://npmh5ahrgakbniuntyc7io4adm6ietbdbuejrfonowqtyqn24or556qd.onion/leaks.html

Victims by Country
1
Ransomware Victims 1
Victim Country Sector Discovered
A large bank in Asia - Financial Services 24/02/2026 22:49
24/02/2026
Metadata

Slug: atomsilo

Created: 14/01/2026 08:19

Updated: 28/06/2026 16:02