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Recent Breaches › Threat actors › ryuk

Threat actor

ryuk

ryuk is a ransomware / data-extortion group tracked on public leak-site monitors. The breaches below are victims it has publicly claimed.
22tracked breaches
2linked methods

Methods used

Ransomware 22Data Extortion & Leaks 22

Breaches linked to ryuk

November 7, 2024HIGH

Finastra Listed by ryuk Ransomware Group

ryuk Ransomware
May 18, 2021HIGH

Visalia Unified School District Listed by ryuk Ransomware Group

ryuk Ransomware
April 1, 2021HIGH

Unnamed biomolecular institute Listed by ryuk Ransomware Group

ryuk Ransomware
February 15, 2021HIGH

Villefranche-sur-Saône (Rhône) Hospital Center Listed by ryuk Ransomware Group

ryuk Ransomware
November 24, 2020HIGH

Baltimore County Public Schools (BCPS) Listed by ryuk Ransomware Group

ryuk Ransomware
November 15, 2020HIGH

K12 (AKA Stride Inc) Listed by ryuk Ransomware Group

ryuk Ransomware
October 28, 2020HIGH

University of Vermont (UVM) Health Network Listed by ryuk Ransomware Group

ryuk Ransomware
October 27, 2020HIGH

Sky Lakes Medical Center Listed by ryuk Ransomware Group

ryuk Ransomware
October 27, 2020HIGH

St. Lawrence Health System Hospitals (Canton-Potsdam, Gouverneur, and Massena) Listed by ryuk Ransomware Group

ryuk Ransomware
October 22, 2020HIGH

Steelcase Inc. Listed by ryuk Ransomware Group

ryuk Ransomware
October 20, 2020HIGH

Sopra Steria Listed by ryuk Ransomware Group

ryuk Ransomware
October 17, 2020HIGH

Dickinson County Health Listed by ryuk Ransomware Group

ryuk Ransomware
October 11, 2020HIGH

Sonoma Valley Hospital Listed by ryuk Ransomware Group

ryuk Ransomware
September 27, 2020HIGH

Universal Health Services (UHS) Hospitals Listed by ryuk Ransomware Group

ryuk Ransomware
March 6, 2020HIGH

City of Durham Listed by ryuk Ransomware Group

ryuk Ransomware
February 29, 2020HIGH

Epiq Global (MSP) Listed by ryuk Ransomware Group

ryuk Ransomware
February 15, 2020HIGH

EMCOR Listed by ryuk Ransomware Group

ryuk Ransomware
February 4, 2020HIGH

Havre Public Schools Listed by ryuk Ransomware Group

ryuk Ransomware
February 1, 2020HIGH

Port Lavaca City Hall Listed by ryuk Ransomware Group

ryuk Ransomware
January 24, 2020HIGH

Electronic Warfare Associates (EWA) Listed by ryuk Ransomware Group

ryuk Ransomware
January 23, 2020HIGH

Tampa Bay Times Listed by ryuk Ransomware Group

ryuk Ransomware
January 9, 2020HIGH

Volusia County Library System Listed by ryuk Ransomware Group

ryuk Ransomware
Showing 1–22 of 22
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Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.