FreeBSD user.
FreeBSD is an advanced operating system for modern server, desktop, and embedded computer platforms.FreeBSD's code base has undergone over thirty years of continuous development, improvement, and optimization. FreeBSD provides advanced networking, impressive security features, and world class performance and is used by some of the world's busiest web sites and most pervasive embedded networking and storage devices.

FreeBSD

Slackware user.
Slackware is a free operating system. It is one of the earliest Linux distributions and is the oldest currently being maintained.Slackware aims for design stability and simplicity, and to be the most "Unix-like" Linux distribution, using plain text files for configuration and making as few modifications to software packages as possible from upstream.

Slackware

Slax user.
Slax is a modern, portable, small and fast Linux operating system with a modular approach and outstanding design. Despite its small size, Slax provides a wide collection of pre-installed software for daily use, including a well organized graphical user interface and useful recovery tools for system administrators.

slax

BackTrack user.
BackTrack is the most top rated linux live distribution focused on penetration testing. With no installation whatsoever, the analysis platform is started directly from the CD-Rom and is fully accessible within minutes.

BackTrack

hax0rlinux founder.
hax0rlinux is a Linux beta distribution to provide hacking tools and more and more... (on hold)

Wifi/Wimax hacking/vulnerabilities/research/tracking/cracking/analysis.

Malwares research/tracking/cracking/development/analysis.

My malware dump (please take care).
kartoffel

The Bug!Magazine writer.
The Bug!Magazine is a brazilian hacking magazine about security and insecurity.

TheBug!Magazine

I'm trying to learn:

- German.
- Russian.

My languages dump.

uCon staff member/supporter.

uCon Security Conference

Plano em Foco beta reader/supporter.
Plano em Foco is a friend project. I support it and share the same project idea: to write a open source book about networks.
You can grab Plano em Foco book here and here too.

Plano em Foco open source book.

Motorola SurfBoard hacking/vulnerabilities/research/hardware development.

tcniso.net
haxorware.com
Jtag Cable

Satcom hacking/vulnerabilities/research/tracking.

My Satcom dump.

I'm studying for LPI (101 up to 202).

CISCO hacking/vulnerabilities/research.
I'm studying for CCNA.

My Cisco dump.

USRP research.

gnuradio.org
Universal Software Radio Peripheral
ettus.com

GSM hacking/vulnerabilities/research/tracking/cracking.

airprobe
OpenBSC
openbts
wiki.thc.org

RFID hacking/vulnerabilities/research and writers/readers.
RFID virus too.

rfidiot.org
rfidvirus.org
dealextreme.com
My RFID dump.

Thanks to China for giving me a rfid device.
广州 - 中国
多謝
免客氣!