Staff members reveal wanted posters for two of three Russians charged with the 2014 hack of Yahoo before a press conference at the US Department of Justice on March 15, 2017 in Washington, DC. Two agents of Russia's FSB spy agency and two "criminal hackers" were indicted Wednesday over a massive cyberattack affecting 500 million Yahoo users, the US Justice Department announced. The indictment unveiled in Washington links Russia's top spy agency to one of the largest cyberattacks in history, carried out in 2014, and which officials said was used for espionage and financial gain. / AFP PHOTO / Brendan Smialowski