Marc “van Hauser” Heuse is performing security research since 1993, having found vulnerabilities in software like firewalls, DNS servers, SAP middleware, etc. and is the author of various well known security and pentest tools like hydra, amap, THC-Scan, secure_delete, SuSEFirewall and many more. He is performing security research on IPv6 since 2005 and has spoken on many conferences on this topic since then, among these are the CCC congress (Germany), Cansecwest (Canada), PacSec (Japan) and many more international conferences, and additionally has programmed the solely available pentest toolkit for ipv6: the thc-ipv6 protocol attack suite. In 1995 he founded the renowned security research group “The Hacker’s Choice”, which was the first group to e.g. crack A5 GSM in 2006 within a minute. Since 1997 he is working as a security consultant in the top-5 enterprise consultant companies, since 2007 he is working as an independant security consultant.