Prosecutors say Andrii Kolpakov posed as a legitimate, high-level penetration tester as part of the FIN7 group's crime spree, which included the theft of 15 million payment card numbers.

Court documents suggest Nikulin's defense strategy has been dealt a blow.

The scheme involved an elaborate amount of social-engineering with a dose of phishing.

U.S. investments in stemming cybercrime at home and abroad are falling short, according to the think tank Third Way.

Aleksandr Zhukov is the lead defendant in the “Methbot” case, in which he is accused of renting more than 1,900 computer servers to simulate ad views.

The U.S. processes extraditions “without regard to the nationality of the offender, but that cooperation must be reciprocated,” Rod Rosenstein said at an Interpol conference.