Oleksii Lytvynenko, a 44-year-old Ukrainian national, admitted to joining the prolific cybercrime group in 2021. Officials said he engaged in cybercrime up until his arrest in Ireland…

Zachary Sweeney allegedly traveled to New York, Indiana, Missouri and Georgia to meet and harm numerous victims in person. The FBI began investigating him in 2023.

Michele Spagnuolo allegedly placed multiple trades on the prediction marketplace, abusing internal access to Google’s nonpublic data on the most searched people in 2025.

Jacob Butler, a 23-year-old from Ottawa, awaits extradition to the United States and faces up to 10 years in prison.

The men’s separate schemes impacted almost 70 U.S. companies and generated a combined $1.2 million in revenue for the North Korean regime.

Deniss Zolotarjovs was mostly tasked with putting pressure on the Russia-based crew’s victims, in one case leaking hundreds of children’s health records.

Ryan Goldberg and Kevin Martin attacked five companies in 2023 and extorted nearly $1.3 million from one of their victims.

Angelo Martino helped accomplices extort a combined $75.3 million in ransom payments from five victim companies.

Tyler Robert Buchanan “was the glue that held this gang together,” a cybercrime researcher said. He faces up to 22 years in federal prison.

The ideas came up at a House Homeland Security Committee hearing, as health care ransomware attacks are on the rise.