Nir Valtman is heading the application security of the software solutions forNCR Corporation. Before the acquisition of Retalix by NCR, Nir lead thesecurity of the R&D; in the company. As part of his previous positions, hewas working in several application security, penetration testing and systemsinfrastructure security positions. Nir is a frequent speaker at leadingconferences around the world, including Black Hat, Defcon, OWASP etc. Nir hasa Bachelor of Science in Computer Science but his knowledge is mainly based oncowboy learning and information sharing with the techno-oriented communities,such as blogging and releasing open source tools (including AntiDef,Cloudefigo and SAPIA).