A company can spend hundreds of thousands of dollars on firewalls, intrusion detection systems and encryption and other security technologies, but if an attacker can call one trusted person within the company, and that person complies, and if the attacker gets in, then all that money spent on technology is essentially wasted.

He was enrolled at Los Angeles Pierce College and USC. He was released on January 21 2000. After a friendly bus driver told him where he could buy his own ticket punch he could ride any bus in the greater LA area using unused transfer slips he found in the trash.

Kevin David Mitnick (born on August 6 1963) is an American computer security consultant author convicted criminal and hacker. In the late 20th century he was convicted of various computer and communications-related crimes.