Matt Whelan, Technical Director of security specialist ALC Training (http://www.alctraining.com.au), conducts independent seminars on security topics (including the hands-on "Hacking Windows Masterclass") throughout Australia, New Zealand, and Asia. He operates as an independent security consultant, and founded Net-Wide Security Solutions (http://www.net-security.com.au). He started specialising in Personal Computers 22 years ago when he created Your Computer magazine; since then he has developed software for Computer Associates, Ashton-Tate, Borland and Nantucket; trained corporate IT staff in programming, hardware and operating systems both locally and internationally (including the UK, Ireland, Scandinavia, Belgium and the Netherlands); and developed custom software, network and security solutions for Australian companies.