Kevin Mitnick left the man who helped jail him enough for a Porsche 911

Kevin Mitnick, the legendary hacker, once tried to social-engineer his way into Novell’s network by phoning a network admin named Shawn Nunley late at night, posing as an employee who needed “direct inbound modem access” for a top-secret project.

Nunley smelled a rat, played along, and asked the caller to leave a voicemail — which he recorded onto a cass…