Founder of P1 Security and Senior Researcher for Telecom Security Task Force. Philippe Langlois has proven expertise in network security. He founded and led technical teams in several security companies (Qualys, WaveSecurity, INTRINsec) as well as security research teams (Solsoft, TSTF). He founded Qualys and led the world-leading vulnerability assessment service. He founded a pioneering network security company Intrinsec in 1995 in France, as well as Worldnet, France’s first public Internet service provider, in 1993. Philippe was also lead designer for Payline, one of the first e-commerce payment gateways. He has written and translated security books, including some of the earliest references in the field of computer security, and has been giving speeches on network security since 1995 (Interop, BlackHat, HITB Dubai, Hack.lu). Now Philippe is providing with P1 Security the first Core Network Telecom Signaling security scanner which help telecom companies, operator and government analyze where and how their critical telecom network infrastructure can be attacked. He can be reached through his website at: http://www.p1security.com.