RansomwareUnknown
Atomsilo
Atomsilo is a ransomware group, tracked by Brandefense. It targets the Healthcare sector in the United States.
- Techniques
- 0
- Exploited CVEs
- No CVE data
- Record updated
Who They Target.
Sectors · 1
Countries · 1
About Atomsilo.
AtomSilo is a double-extortion ransomware group that emerged in September 2021, exploiting the Atlassian Confluence vulnerability (CVE-) for initial access and demanding ransoms up to $1 million, attributed to the Chinese state-linked threat actor BRONZE STARLIGHT.
Last updated Sep 29, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.