Andreas Koch was born on the 7th of July 1986 and is currently living in Trier, Germany. He authored DroidSheep which is a simple session hijacking android app and was made as a proof of concept for his thesis entitled "Session Hijacking on Android Devices".
Lt. Cmdr. Chris Eagle is a Senior Lecturer and Associate Chairman of Computer Science at the Naval Postgraduate School in Monterey, CA. He is a co-author of Gray Hat Hacking and has spoken at numerous security conferences, including Blackhat, Defcon, Toorcon, and Shmoocon. He is the first military instructor to win NPS's prestigious student-juried Rear Adm. John Jay Schieffelin Award for Teaching Excellence.
Chris Mahns is a Senior Systems Administrator/Engineer presently working for a mid-size outsourcing firm. He supports many popular, open-source and commercial web servers and applications servers but he prefers working with tomcat, jboss, and apache. He has published and maintain some scripts that are useful like CryptoNark and Bling.
Jay Beale is an information security specialist who has written security hardening tools: Bastille Unix, a system lockdown and audit tool that introduced a vital security-training component, and the Center for Internet Security's Unix Scoring Tool. He has co-authored or edited nine books in the field of Information Security. Six of these make up his Open Source Security Series, while two are technical works of fiction in the "Stealing the Network" series.
Stephen Bradshaw is an IT Security Specialist in Australia, with a focus on the areas of penetration testing and incident detection and response. He has contributed articles to Infosec Institute and is maintaining a blog at thegreycorner.com.
Raffael Marty is the founder and CEO of PixlCloud, a next-generation data visualization application for big data. He has served as Chief Security Strategist with Splunk and was a co-founder of Loggly, a cloud-based log management solution.
Ayoub Faouzi is a Virus Researcher, Assembly Coder, Windows Internals Enthusiast, and Reverse Engineer Lover from Morocco. He has coded mainly with x86 assembly and C for most of his known work. His research primarily mirrors his interests on low level work like reverse code engineering, code mutation techniques, and malware analysis along with x86 assembly language and its concepts.
Christofer Hoff is a whitehat who is the Senior Director & Chief Architect, Security at Juniper Networks. Prior he was Director of Cloud & Virtualization Solutions at Cisco Systems where he focuses on virtualization and cloud computing security, spending most of his time interacting with global enterprises and service providers, governments, and the defense and intelligence communities. He has presented at numerous high-profile security conferences including Black Hat, DefCon, Microsoft’s Bluehat, RSA, Gov2.0, FIRST, Glue, Source, SecTor, DefCon Kids and Troopers.
CyFi is the co-founder of DEFCON Kids who revealed her zero-day exploit in games on iOS and Android devices which she call 'Time Traveler'. She first discovered the flaw around January 2011 because she "started to get bored" with the pace of farm-style games. Most of the games she discovered the exploit in have time-dependent factors. Manually advancing the phone or tablet's clock forced the game further ahead than it really was, opening up the exploit.
Anestis Bechtsoudis is a researcher in the fields of Applied Cryptography, Information Security and Computer Networks. He is a member of the Patras Linux User Group (PLUG) in a try to promote FOSS his fields of research. He has participated in applied Cryptography, Information Security & Cryptanalysis research projects, some of which are still running.