Hans-Michael Varbaek is a Senior Security Consultant at Sense of Security and is an active part of the penetration testing team. He is an IT security specialist, independent researcher, and penetration tester. He has been a penetration tester in Australia for several years, and has previously been a freelancer. Hans has been in the hacking community for around a decade under various handles, and has contributed to several public projects online, including The Exploit Database as a blog writer about web application security.