Highlights of Backtrack 4 Beta: · the Kernel was updated to version 2.6.28.1 bringing better hardware support; · BackTrack 4 Beta can now be booted over a network, using PXE supported cards; · SAINT EXPLOIT, a network vulnerability assessment tool, and MALTEGO 2.0.2, an open source intelligence and forensic app, are now included; · the latest mac80211 wireless injection patches were applied along with speed improvements for rtl8187; · Pico e12 and e16 cards are now 100% functional with native support, enabling BackTrack 4 to take advantage of everything these incredibly small devices have to offer; · Unicornscan, an information gathering and correlation engine is fully functional and features a web front end and postgress logging support; · RFID support; · Pyrit CUDA support and many more new and updated tools.