Rio de Janeiro/Brazil OWASP Chapter Leader. Security specialist, and works with Audit, Penetration Testing and Computer Forensics. Currently developing projects in the area of Information Security in a big company in Brazil, and is instructor of training about information security. Has published several articles on websites and electronic magazines. He is the administrator of the mailing list of Brazil on vulnerability research and development exploits, the Exploits-Brasil. Has taught a variety of training for armed forces (Navy, Air Force and Army), public (Fed prosecutors, TRE, TJ) and civilian police (Investigation Division of High Tech Crime) in Brazil.