Ryan Linn Ryan Linn (OSCE, GPEN, GWAPT) is a penetration tester, an author, a developer, and an educator. He comes from a systems administation and Web application development background, with many years of IT security experience. Ryan currently works as a ful-time penetration tester and is a regular contributor to open source projects including Metasploit, The Browser Exploitation Framework, and the Dradis Framework. He has spoken at numerous security conferences and events, including ISSA, DEF CON, SecTor, and CarolinaCon. Read More Read Less