Chicago -- In his keynote address at a security conference today, Apple co-founder Steve Wozniak admitted he has enjoyed many adventures in hacking often for the sake of pranks on friends and family, especially back in his college days and the early years of working on computers and the Internet."I like to play jokes," said the Wozniak jovially as he addressed his audience of thousands of security professionals attending the ASIS Conference in Chicago. The famed inventor at Apple admitted he also had some fun with light-hearted forays into hacking computer and telecommunications networks several decades ago back in his college years and while learning about electronics and computers.People with imagination in engineering are naturally drawn to the idea of finding ways to bypass security controls as part of the process of discovering how things work, and Wozniak said this was especially true of himself."But I never once hacked a computer for real," he told his audience, meaning his brea