The perpetrators of the 2014 cyberattack on Sony Pictures Entertainment were not activists or disgruntled employees, and likely had attacked other targets in China, India, Japan and Taiwan, according to a coalition of security companies that jointly investigated the Sony case for more than a year.
The coalition, organized by security analytics company Novetta, said in a report Wednesday that the hackers were government-backed, but it stopped short of endorsing the official U.S. view that North Korea was to blame.
The Obama administration has tied the attack on Sony Corp's film studio to its release of "The Interview," a comedy that depicted the fictional assassination of North Korean leader Kim Jong Un.