The US Department of Justice and FBI have charged four suspects in the 2014 Yahoo data breach. Two of the suspects are members of the Russian Federal Security Service (FSB) Two FSB agents are accused of orchestrating the hack, which stole details for over 500 million Yahoo users. The other two hackers are Karim Baratov, aka “Kay
Source: and for a good reason. Yahoo was right. It was a “”state-sponsored actor”””