Fatih Ozavci is a Managing Consultant with Context Information Security and the author of the Viproy VoIP Pen-Test Kit, Viproxy MITM analyser and the VoIP Wars research series. He has fifteen years extensive experience in the field of information security as a leading security consultant, researcher and instructor. His current research is focused on securing IMS and UC services, IPTV systems, mobile applications, mobility security testing, hardware hacking and BYOD/MDM analysis. He has discovered previously unknown (zero-day) security vulnerabilities and design flaws in IMS, Unified Communications, Embedded Devices, MDM, Mobility and SAP integrated environments and has published several security advisories for SAP Netweaver, Clicksoft Mobile, Cisco CUCM/CUCDM and Microsoft Skype for Business platforms. Fatih has previously presented at major security conferences such as Blackhat Europe'15, HITB Singapore 2015, BlackHat USA'14, Defcon 22 and 21, Troopers'15, Cluecon 2013 and Ruxcon 2013. He has provided VoIP and Mobility Security training at Defcon 23, AustCert 2014 and 2016, Kiwicon 2015 and Troopers'15.