Andreas Schmidt started working as a security consultant in 1998. At the beginning he was involved with planning and implementing high security infrastructures. Later on he focused on security audits and penetration tests. He also developed and held hands-on hacking trainings focused on Windows and Unix systems. Andreas is co-founder of the German security consulting company siberas (http://www.siberas.de) and author of WATOBO (http://watobo.sourceforge.net).