Rio de Janeiro OWASP Chapter Founder. Security expert, working with Security Auditing, Penetration Testing and Computer Forensics. Instructor of information security in HackProofing Labs (http://hackproofinglabs.com.br). Has published several articles on websites and electronic magazines. Taught a variety of training for armed forces (Navy, Air Force and Army), public forces (Fed prosecutors, TRE, TJ) and civilian police (Investigation Division of High Tech Crime). Presented lectures at various conferences and events of information security and free software such as You Shot The Sheriff, OWASP Day, LinuxCon, CNASI, FISL, VOLDay, BSides, Lucknow Hackers Day. Works in Netherlands as a Pentester and Information Security Officer.