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Monti Ransomware

A data-only profile of Monti, 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

111

Status

Unclear

Last 30 days

0

Top region

United States

Top sector

Professional Services

What the data says

Monti ranks #42 of the 122 groups profiled here, with 111 claimed victims (0.5% of all claims we track).

Its earliest reliably dated claim in our data is 22 December 2022; the latest is 10 May 2025.

Its claims lean toward Healthcare: 16% of its sector-labelled claims, against 10% across all groups (1.6× the usual share).

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

Monti activity, last 24 months

no collection2024-12: 112025-01: 992025-02: 222025-022025-03: 662025-05: 332025-052025-082025-112026-022026-052026-082026-11

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 14Italy 8Germany 2Spain 2Canada 2France 2Argentina 1China 1

Sectors targeted

Professional Services 20Technology 15Healthcare 15Manufacturing 10Transportation 8Education 7

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 Monti still active?

Unclear: last dated claim in our data is 10 May 2025, just before or inside our collection gap (June 2025 to March 2026), so we can't say when it stopped.

How many victims has Monti claimed?

We track 111 victims claimed by Monti on its leak site. Claims are the group's own statements and are not independently verified.

Is Monti sanctioned?

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

What sectors and regions does Monti target?

In our data Monti most often hits Professional Services, and organisations in US, IT, DE, ES.

Where is Monti believed to be based?

We don't publish an origin attribution for Monti.

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