All ransomware groups
atomsilo
5 tracked victims
·first seen 2021-12-21·last activity 2026-02-24Group profile
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.
Recent victims
| Date | Website / victim | Sector | Country |
|---|---|---|---|
| 2026-02-24 | A large bank in Asiabank.com | Financial Services | |
| 2021-12-21 | Tegra Vendastegraincorporadora.com.br | Not Found | BR |
| 2021-12-21 | Eisai Co., Ltdeisai.com | Healthcare | JP |
| 2021-12-21 | L LIGHT CONVERSION | Manufacturing | |
| 2021-12-21 | Cristália - Indústria Farmacêuticacristalia.com.br | Healthcare | BR |

