Nir Valtman heads the application security of the software solutions for NCR Corporation. Before the acquisition of Retalix by NCR, Valtman led the security of the R&D in the company. As part of his previous positions, he was working in several application security, penetration testing and systems infrastructure security positions. Valtman is a frequent speaker at leading conferences around the world, including Black Hat, Defcon, OWASP etc. Valtman has a bachelor of science in computer science but his knowledge is mainly based on cowboy learning and information sharing with the techno-oriented communities, such as blogging and releasing open-source tools (including AntiDef, Cloudefigo and SAPIA).