Grinex, a US-sanctioned cryptocurrency exchange registered in Kyrgyzstan, said it’s halting operations after experiencing a $13 million heist carried out by “western special services” hackers. Researchers from TRM, which has confirmed the theft, put the value of stolen assets at $15 million after discovering roughly 70 drained addresses …

The hacker ecosystem in Russia, more than perhaps anywhere else in the world, has long blurred the lines between cybercrime, state-sponsored cyberwarfare, and espionage. Now an indictment of a group of Russian nationals and the takedown of their sprawling botnet offers the clearest example in years of how a …