From another stark Sony security snapshot; also see Sony Hack Attack: Here Come the Lawsuits (Re/code)
"Sony apparently knew it was unwisely hoarding internal communication. According to the website Gizmodo, Leah Weil, the studio’s general counsel, said in one message: “While undoubtedly there will be emails that need to be retained and/or stored electronically in a system other an email, many can be deleted, and I am informed by our IT colleagues that our current use of the email system for virtually everything is not the best way to do this.”Forget the Gossip, These Are the Lessons of the Sony Hack - Businessweek
The dangerous combination of awareness dulled by apathy goes far beyond Sony Pictures. In a speech in October 2012, then-Defense Secretary Leon Panetta predicted it would take a “cyber-Pearl Harbor”—a power-grid collapse, poisoned municipal water supply, loss of lives—to make Americans appreciate computer vulnerability. We’re not there yet, but Sony ought to move us closer."