- Sony Pictures (NYSE:SNE) discloses a serious hacking incident which has left employees without access to the division's network.
- Messages left by the hackers indicated they would release internal Sony documents unless their demands were met.
- The breach comes a day after a hacker group DerpTrolling claimed it published data it stole from Sony's PlayStation Network.
- SNE +2.4% premarket after an investor update by the company.
- Previously: Sony sees big jump in device revenue; more restructuring at TV and phone units