An anonymous reader writes "Robert S. Mueller III, Director of the Federal Bureau of Investigation (FBI), yesterday warned Congress of terrorist hacking. He believes that while terrorists haven't hacked their way into the U.S. government yet, it's an imminent threat. Mueller said, 'To date, terrorists have not used the Internet to launch a full-scale cyber attack, but we cannot underestimate their intent. Terrorists have shown interest in pursuing hacking skills. And they may seek to train their own recruits or hire outsiders, with an eye toward pursuing cyber attacks.'"