<p> <strong> Paul F. Renda </strong> started his career working on the IBM 360 and the PDP 11. He was an early advocate of using hacking software to check corporate data systems and has presented talks at the Computer Security Institute. Paul’s articles have appeared in <em> Info Security Magazine. </em> In 1995, Paul developed a defense against war dialers. He is currently a computer security analyst and futurist. </p>