Russian IT Leader’s Treason Case Shows Cyber Impasse With U.S.

A cybersecurity entrepreneur who pushed for tougher action against hackers is facing as much as 20 years in a Russian prison on treason charges, reflecting the challenges the U.S. faces in reaching a deal with Moscow on reining in online crime.

Ilya Sachkov, the 35-year-old founder of Group-IB who was arrested this week and ordered to be detained until Nov. 27, had spoken critically of the apparent immunity of Russian hackers inside their own country’s borders.

The cybersecurity firm said it’s certain of his innocence and pledged to keep operating as normal. The company moved its headquarters to Singapore ...