Kazu

No sourced public emblem in this profile.

reference profile · reported nexus: Unknown (not nationality)

Kazu is a financially motivated ransomware group known for employing a double extortion model, targeting sectors such as healthcare and government. The group has claimed responsibility for multiple high-profile breaches, including those of Manage My Health and the Defensoría del Pueblo de Colombia, exfiltrating sensitive data through techniques like exploiting unpatched vulnerabilities and credential reuse. Kazu has demanded ransoms ranging from $60,000 to $500,000, threatening public disclosure of stolen data if payments are not made. Their operations have primarily focused on entities in Latin America, Asia, and the Middle East, with a notable presence on dark web leak sites.

Source-reported aliases: . Associations do not prove equivalence.

Target geography

Catalog-listed countries (associations, not attack counts): No country-level metadata

4 observed public claim posts in the collection window 2025-11-21 through 2026-10-25. Accumulated bounded samples: newest 1,000 records from each of the current and previous source years, refreshed every six hours. Historical gaps are not filled. These are not confirmed attacks or unique victims. Dates are provider record dates; countries are provider classifications; unknown is retained. Source: Ransomfeed — Dario Fadda · CC BY 4.0. Adapted into anonymous counts by Kinwilder; no endorsement implied.

New Zealand: 1 posts
Saudi Arabia: 1 posts
Nigeria: 1 posts
United Kingdom: 1 posts