New security loopholes are constantly popping up because of wireless networking. The cat-and-mouse game between hackers and system administrators is still in full swing.

I think it goes back to my high school days. In computer class, the first assignment was to write a program to print the first 100 Fibonacci numbers. Instead, I wrote a program that would steal passwords of students. My teacher gave me an A.

It was used for decades to describe talented computer enthusiasts, people whose skill at using computers to solve technical problems and puzzles was - and is - respected and admired by others possessing similar technical skills.

When an attacker fails with one person, they often go to another person. The key is to report the attack to other departments. Workers should know to act like they are going along with what the hacker wants and take copious notes so the company will know what the hacker is trying to find.

Companies spend millions of dollars on firewalls and secure access devices, and it's money wasted because none of these measures address the weakest link in the security chain: the people who use, administer and operate computer systems

I saw myself as an electronic joy rider.

When I was in prison, a Colombian drug lord, offered me $5 million in cash to manipulate a computer system so that he would be released. I turned him down.