Matt Johanson is an application security specialist at WhiteHat Security where he oversees and assessments on more than 250 web applications for many Fortune 500 companies across a range of technologies such as PHP, .NET, Ruby on Rails, and Flash. He was previously a consultant for VerSprite, where he was responsible for performing network and web application penetration tests. Mr. Johansen is also a professor of Web Application Security at Adelphi University and San Jose State University. He recently was part of the cut-score panel for the SANS certification by the GIAC and is the 29th person worldwide to achieve this certification. He holds a Bachelor of Science in Computer Science from Adelphi University. Twitter: @mattjay