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KillSecurity Ransomware

A data-only profile of KillSecurity, 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

156

Status

Quiet

Last 30 days

0

Top region

United States

Top sector

Financial Services

What the data says

KillSecurity ranks #30 of the 122 groups profiled here, with 156 claimed victims (0.7% of all claims we track).

Its earliest reliably dated claim in our data is 22 March 2024; the latest is 24 March 2025.

Its claims lean toward Financial Services: 18% of its sector-labelled claims, against 6% across all groups (3.2× the usual share).

23% of its claims with a known country are in the United States.

KillSecurity activity, last 24 months

no collection2024-12: 18182025-01: 992025-02: 22222025-022025-03: 14142025-052025-082025-112026-022026-052026-082026-11

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 10India 7Belgium 5United Kingdom 3Malaysia 3BD 2RO 2Indonesia 1

Sectors targeted

Financial Services 22Healthcare 19Technology 19Professional Services 12Government & Defense 11Manufacturing 9

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 KillSecurity still active?

Quiet: no claims in our data since 24 March 2025.

How many victims has KillSecurity claimed?

We track 156 victims claimed by KillSecurity on its leak site. Claims are the group's own statements and are not independently verified.

Is KillSecurity sanctioned?

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

What sectors and regions does KillSecurity target?

In our data KillSecurity most often hits Financial Services, and organisations in US, IN, BE, GB.

Where is KillSecurity believed to be based?

We don't publish an origin attribution for KillSecurity.

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