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DII-2025-00416
ReportedReported by fewer than three independent publishers, with no official finding.

Ukrainian National Pleads Guilty to Conspiracy to Use Nefilim Ransomware to Attack Companies in the United States and Other Countries

A Ukrainian national pleaded guilty today to one count of conspiracy to commit computer fraud for his role in a series of international ransomware attacks. According to court documents, Artem Aleksandrovych Stryzhak...

20 December 2025 · Ransomware and extortion
20 December 2025
DII-2025-004164 sources ↓
Quick facts
Category
Ransomware and extortion
Source
DataBreaches.net
Date
20 December 2025
Drafted by
Raidu Incident Detection

What happened

Not publicly disclosed.

Classification

Category
Ransomware and extortion
Industry
Business and professional services

Sources and evidence

This record was researched and written by the Index, based on the following original reporting.

DataBreaches.net
Ukrainian National Pleads Guilty to Conspiracy to Use Nefilim Ransomware to Attack Companies in the United States and Other Countries
20 December 2025
justice.gov
extradited
state.gov
State Department website
justice.gov
U.S. Department of Justice