Science & Tech · Cybersecurity · 2 hrs ago
Ransomware affiliate Artem Stryzhak sentenced to 70 months in prison
Artem Stryzhak was sentenced to 70 months in prison for his role in ransomware attacks.
The 36-year-old Ukrainian worked with the Nefilim and Hive ransomware groups, targeting organizations in several countries.
His victims included hospitals, government bodies and businesses, and attacks disrupted patient care.
Prosecutors say ransomware attacks caused major losses and threatened sensitive data.
Stryzhak was arrested in Spain in 2024 and extradited to the United States in 2025.
Authorities are still searching for alleged co-conspirator Volodymyr Tymoshchuk, with an $11 million reward for information leading to his arrest or conviction.
Artem Stryzhak, a Ukrainian ransomware affiliate, was sentenced to 70 months in prison.
He pleaded guilty to cybercrime charges tied to attacks on hospitals, government entities and businesses.
He worked with the Nefilim and Hive ransomware groups, targeting victims in several countries.
Stryzhak was arrested in Spain in June 2024 and extradited to the United States in April 2025.
Authorities are still seeking alleged co-conspirator Volodymyr Tymoshchuk.
The articles differ on the period of Stryzhak’s attacks: one says they began in mid-2018, while the other describes Nefilim activity in 2021 and Hive activity through January 2023.
- Who
- Artem Stryzhak, a 36-year-old Ukrainian national and ransomware affiliate.
- What
- He was sentenced to 70 months in prison after pleading guilty to cybercrime charges.
- When
- He was sentenced on October 27, 2026. He pleaded guilty in late 2025.
- Where
- The sentence was imposed in the United States. Stryzhak was arrested in Spain and extradited to the United States.
- Why
- He participated in ransomware attacks targeting hospitals, government entities and businesses.
This story does not have two clearly opposing sides.
Stryzhak was arrested in Spain.
Stryzhak was extradited to the United States.
Stryzhak pleaded guilty to cybercrime charges; The Record specifies December 2025.
Stryzhak was sentenced to 70 months in prison.
- Sentence
- 70 months in prison
- Defendant
- Artem Aleksandrovych Stryzhak, 36, a Ukrainian national
- Ransomware groups
- Nefilim and Hive
- Arrest
- Spain, June 2024
- Extradition
- United States, April 2025
- Alleged co-conspirator
- Volodymyr Tymoshchuk; an $11 million reward was announced for information leading to his arrest or conviction.
3 sources
What people are saying
Artem Stryzhak is a prolific cybercriminal who worked with multiple ransomware groups to target U.S. businesses and hospitals,
Ransomware attacks like those committed by the defendant wreak enormous havoc — harming victim companies that pay millions in remediation and ransoms, preventing hospitals and other critical facilities from accessing data, and putting sensitive information in the hands of bad actors,
Cybercriminals who terrorize American businesses cannot evade justice by operating from abroad or hiding behind sophisticated technology.
This sentence concludes a years-long, multi-continent investigation into a defendant who participated in cyberattacks against Americans’ businesses and health care,