Sonny Cyberattack News Today : Breaking News, Live Updates & Top Stories | Vimarsana

It could have been a technical glitch but experts say it sure looked like a hack attack. abc's tom llamas has the story. >> reporter: the loss of service comes four days after president obama blamed north korea for the sonny cyberattack vowing a proportional response. >> if the u.s. did this, they are clearly defining what the parameters are for this time of activity. not only north korea but other nation states participate in this kind of activity there will be repercussions. >> reporter: on state tv, north korea threatening an attack on the u.s. if there isn't a joint investigation to prove ...

Obama blamed north korea for the sonny cyberattack vowing a proportional response. >> if the u.s. did this, they are clearly defining what the parameters are for this time of activity. not only north korea but other nation states participate in this kind of activity there will be repercussions. >> reporter: on state tv, north korea threatening an attack on the u.s. if there isn't a joint investigation to prove north korea did not hack into sony's computers. >> if they want to help, they can admit their culpability and compensate sony for the damages that's they caused. >> reporter: and sony is...