Yahoo admits some staff knew of 2014 hackThe company says people were aware that a 'state-sponsored actor' accessed its networks before its 2016 disclosure.By M. Brian, 11.10.2016
Yahoo alerts victims of state-sponsored cyberattacksGoogle, Twitter and Facebook already warn users of similar suspected attacks. By J. Conditt, 12.23.2015
Twitter warns users targeted by state-sponsored attacksTwitter will tell you if it thinks a government tried to compromise your account.By J. Fingas, 12.12.2015