Gokhan Bircan is a senior penetration tester, software developer and security consultant of Tubitak Cyber Security Institute in Turkey. He is author of Heybe - Penetration Testing Kit. Heybe includes modules which makes pen-testing fast and highly effective. With Heybe pen-tests are performed ad speed of light. While Gokhan's primary expertise is penetration testing, security tools development, BSD, and Linux systems security. He is also a well versed at fuzzing, exploit development, reverse engineeering, and web application security. He is a regular speaker of national security conferences. Gokhan is a proud citizen of Kastamonu.