Sony names first chief information security officer

Sony Corp. has chosen Philip Reitinger, a former Homeland Security Department official, to be its new CISO months after a massive hacking attack leaked information on 100 million user accounts on the company's games networks, Reuters reports.

Reitinger, previously director of the U.S. National Cyber Security Center, will become senior vice president and will be based in Washington, the article continued. He has also worked for Microsoft and the Defense Department.

Sony shares have fallen 55 percent since the company revealed the hacking on April 27, the story noted.