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atomsilo

5 tracked victims
·first seen 2021-12-21·last activity 2026-02-24

Group 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

DateWebsite / victimSectorCountry
2026-02-24
bank.com
A large bank in Asiabank.com
Financial Services
2021-12-21Not FoundBR
2021-12-21
eisai.com
Eisai Co., Ltdeisai.com
HealthcareJP
2021-12-21
L
LIGHT CONVERSION
Manufacturing
2021-12-21
cristalia.com.br
Cristália - Indústria Farmacêuticacristalia.com.br
HealthcareBR