Taguri: hack Man jailed for hacking into Jennifer Lawrence's online account "One billion" affected by Yahoo hack Russian central bank loses $31 million in cyber attack Hackers are holding San Francisco's light-rail system for ransom Simulating cyber attacks: A cyber security training for officials Yahoo admits employees discovered hack in 2014 Celebgate hack: Collins sentenced over nude photos theft U.S. vows to take measures against Russian hackers. 'Our response will be proportional' Clinton blames Russian intelligence services for hacking Democrats' e-mails 1 ABCDEFGHIJKLMNOPQRSTUVWXYZ IMPORTANTE ALTELE