Related topics that I like:

- *nix, networking, vulnerability analysis and research, compilers, debuggers, security, os dev, cryptology, forensic, secure coding, rfid, gsm, lock picking, satcom, usrp, malwares, cameras, telecom, espionage, phone phreaking, smartcard, reverse engineering, eletronic warfare, privacy, counter measures, hardware and software hacking, embedded systems.

I'm especially interested in vulnerabilities analysis and developing.

I also study this topics not related to computers:

- History, weapons, military systems and tatics, radio communication, planes, hunting, camping, music, religions, languages.

I have some language skills, I speak portuguese, english and spanish. Now I'm studying german, dutch and russian.
I hope to learn arabian, chinese, japanese, french, italian, swedish, norwegian, finnish, turkish and greek someday.

I'm trying to play music, trying to boost some sounds out of my flutes. I like black and folk metal, andean music, classical.

I like some games: chess, AA, ET Wolfenstein, Battlefield. If you want to have my nickname just let me know.

I 'm a crazy coder, smart sysadmin, dangerous and insane guy but I can love you...

You can get my resume here.
You can get my PGP KEY here.