Back Ground.News

Prolific Hive and Nefilim Ransomware Affiliate Sentenced to 70 Months in Prison

Ground.News • October 27, 2026

Prosecutors said he helped ransomware groups attack 1,500 victims worldwide and caused more than $100 million in losses.

Ukrainian National Sentenced for Role in Hacking Hospitalsm Governments Causing Over $100 Million in Losses - FINCHANNEL

Artem Stryzhak, 36, a Ukrainian national, was sentenced today to 70 months in prison for conspiracy to commit computer fraud in connection with a series of ransomware attacks that targeted hospitals, government entities, law firms, and other businesses around the world. “This sentence concludes a years-long, multi-continent investigation into a defendant who participated in cyber-attacks against […]

Prolific Hive and Nefilim ransomware affiliate sentenced to 70 months in prison

Artem Stryzhak participated in a series of ransomware attacks on hospitals, government entities and law firms from the middle of 2018 to late 2021.

100 % of the sources are Center

To view factuality data please Upgrade to Premium

To view ownership data please Upgrade to Vantage

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Ukrainian Ransomware Affiliate Sentenced to 70 Months for Attacks on Critical Infrastructure Artem Stryzhak, a 36-year-old Ukrainian national, was sentenced to 70 months in prison for his role in ransomware attacks targeting hospitals, government entities, and businesses worldwide from 2018 to 2021. He was involved with the Nefilim and Hive ransomware groups, extorting millions from victims, including healthcare providers during the COVID-19 pandemic. Stryzhak was arrested in Spain in June 2024 and extradited to the U.S. in April 2025, pleading guilty to conspiracy to commit fraud in December 2025. His actions contributed to over $100 million in losses. The U.S. State Department is offering up to $11 million for information leading to the capture of his co-conspirator, Volodymyr Tymoshchuk, who remains at large. The investigation highlighted the significant impact of ransomware on critical services and the ongoing efforts to combat cybercrime. 18 sources 29

Extracted Entities

Prolific Hive and Nefilim Ransomware Affiliate Sentenced to 70 Months in Prison

The full story

Extracted Entities

Attack Types (1)

Industries (1)

MITRE ATT&CK (1)

Ransomware Groups (2)