Martin R. Voelk is a senior security analyst, with TÜV SÜD America. He is an IT Security veteran with more than 20 years of experience in the IT industry. Martin spends his time on Penetration Testing and Security Audit Services to clients around the globe. Martin has taught Penetration Testing Training Courses, Cisco authorized Security Courses. He has also established Security policies and performed Ethical Hacking and Penetration Tests for governments and other businesses. He provided IT Security Services as a consultant to organizations such as the German Railways Group, Cable & Wireless, Hypo-Vereinsbank, Motorola, Fast Lane, Cisco Systems, Apple, the U.S. Army, the British Army and various other government bodies and private sector clients. Martin is also a regular speaker at Security conferences and works with the press on giving people an insight into current IT Security issues.