Sony Said to Learn Last Year About Large Network-Security Breach

“This information is effectively like giving the world a child’s treasure map, a very simple dotted line to follow with a big red X that says, ‘Treasure Here,’” said Jody Brazil, founder and CEO of FireMon, a security firm based in Overland Park, Kansas.

“They are going to have a very, very difficult time insuring that any actions they take to clean this is going to have any lasting effect,” he said.