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BlackByte Ransomware

A data-only profile of BlackByte, 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

138

Status

Quiet

Last 30 days

0

Top region

United States

Top sector

Manufacturing

What the data says

BlackByte ranks #34 of the 122 groups profiled here, with 138 claimed victims (0.6% of all claims we track).

Its earliest reliably dated claim in our data is 4 October 2021; the latest is 30 September 2024.

Its most-claimed sector is Manufacturing, with no strong lean compared with other groups.

44% of its claims with a known country are in the United States.

BlackByte activity, last 24 months

no collection2025-022025-052025-082025-112026-022026-052026-082026-11

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

United States 24Italy 4Brazil 2Japan 2United Kingdom 2Poland 2Mexico 2Australia 2

Sectors targeted

Manufacturing 24Professional Services 18Technology 11Retail & E-Commerce 10Government & Defense 8Healthcare 8

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 BlackByte still active?

Quiet: no claims in our data since 30 September 2024.

How many victims has BlackByte claimed?

We track 138 victims claimed by BlackByte on its leak site. Claims are the group's own statements and are not independently verified.

Is BlackByte sanctioned?

We don't record a specific sanctions designation for BlackByte. That is not clearance: check current OFAC and UK lists, and take legal advice, before any payment is discussed.

What sectors and regions does BlackByte target?

In our data BlackByte most often hits Manufacturing, and organisations in US, IT, BR, JP.

Where is BlackByte believed to be based?

We don't publish an origin attribution for BlackByte.

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