Vivek Ramachandran discovered the Caffe Latte attack, broke Web Cloaking and publicly demonstrated enterprise Wi-Fi backdoors. He is the author of "Backtrack 5: Wireless Penetration Testing" which has sold over 13,000+ copies worldwide. He runs SecurityTube Training and Pentester Academy which has trained professionals from 90 countries and has spoken/trained at Defcon, Blackhat USA/Europe/Abu Dhabi, Brucon, Hacktivity etc. conferences.