Onyx Ransomware
A data-only profile of Onyx, built from its leak-site claims: how much it posts, when, and who it goes after. We make no attribution claim on this page.
Claimed victims
28
Status
Quiet
Last 30 days
0
Top region
United States
Top sector
Government & Defense
What the data says
Onyx ranks #115 of the 122 groups profiled here, with 28 claimed victims (0.1% of all claims we track).
Its earliest reliably dated claim in our data is 29 April 2022; the latest is 21 November 2022.
Its most-claimed sector is Government & Defense, with no strong lean compared with other groups.
Onyx activity, last 24 months
Claims per month, by the date our trackers first saw them, so batches can land late. We have almost no collection from June 2025 to March 2026: an empty stretch there means we weren't looking, not that the group was idle. The current month is partial.
Regions targeted
Sectors targeted
Sector and country come from the claim where it states one, otherwise from a rule or language-model label on the victim. Low-confidence sector labels are left out.
Related groups
Ransomware crews share affiliates, tooling, operators and targets; brands fall and reappear under new names. Related to:
Frequently asked questions
Is Onyx still active?
Quiet: no claims in our data since 21 November 2022.
How many victims has Onyx claimed?
We track 28 victims claimed by Onyx on its leak site. Claims are the group's own statements and are not independently verified.
Is Onyx sanctioned?
We don't record a specific sanctions designation for Onyx. That is not clearance: check current OFAC and UK lists, and take legal advice, before any payment is discussed.
What sectors and regions does Onyx target?
In our data Onyx most often hits Government & Defense, and organisations in US, PT, GT, MX.
Where is Onyx believed to be based?
We don't publish an origin attribution for Onyx.
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