About the Author - Shameless Self-Promotion :-)
Vivek Ramachandran started working on Wi-Fi Security since 2003. He discovered the Caffe Latte attack and also broke WEP Cloaking, a WEP protection schema in 2007 publicly at Defcon. He is also the author of the book "Wireless Penetration Testing using BackTrack 5" due for release in August 2011.
In a past life, he was one of the programmers of the 802.1x protocol and Port Security in Cisco's 6500 Catalyst series of switches. He was also one of the winners of the Microsoft Security Shootout contest held in India among a reported 65,000 participants. He is best known in the hacker community as the founder of SecurityTube.net where he routinely posts videos on Wi-Fi Security, Assembly Language , Exploitation Techniques etc. SecurityTube.net receives over 100,000 unique visitors a month.
Vivek's work on wireless security has been quoted in BBC online, InfoWorld, MacWorld, The Register, IT World Canada etc. places. This year he is speaking or training at a number of security conferences, including Blackhat, Defcon, Hacktivity, 44con, HITB-ML, Brucon, Derbycon, HashDays, SecurityByte etc.
Recently, he has started his own training company and conducts trainings around the world on topics such as - WLAN Security, Exploit Research, Advanced Metasploit, Security Tool Programming, Reverse Engineering etc. This is his day job which pays the bills :-) At night, he spends most of his time researching and making videos for SecurityTube.
You can write to him at vivek [at] securitytube [dot] net !