Andrew van der Stock is the Chief Technologist at b-sec, a national IT security consultancy firm. Andrew has been in security for over seven years, and in IT for over eleven. He is a NT/2k/XP sorta guy (certified since 1997), with a strong open source background. Andrew has been the past President of SAGE-AU, the System Administrator's Guild of Australia, and is still involved with SAGE-AU on a regular basis.