https://www.cnet.com/news/russia-linked-hacker-gets-5-years-for-yahoo-security-breach/

Karim Baratov, 23, was also fined $250,000 during a sentencing hearing in San Francisco, the Associated Press reported. Baratov pleaded guilty in November to aggravated identity theft and conspiring to commit computer fraud and abuse.

Working with agents from the Russian intelligence agency called FSB, Baratov hacked into email accounts hosted by Google and Yandex. The same agents were also allegedly responsible for the 2014 hack of Yahoo that compromised 500 million user accounts.