Partner and Chief Hacker
Nathan Keltner is best known for his research related to reversing proprietary Smart Grid radio frequency systems and other Smart Grid research, and his contributions to the Metasploit Framework. Nathan has spoken at BlackHat USA, DefCon, ReCon and other notable security conferences on exploiting smart grid radio frequency systems, advanced analysis of purpose-built system-on-chip architectures, and exploitation under limited-access user security models on the Windows platform.
Nathan has a decade of experience in the information security industry, moving from traditional penetration testing to red-teaming, exploit development, software research and advanced hardware and software reverse engineering. Nathan has worked as a security consultant and researcher for Grant Thornton, FishNet Security, and Accuvant's Applied Research team.
Nathan's research has included reviews of complex custom RF and ZigBee smart grid infrastructures, 802.15.4 and serial retail networks, multi-function ATM hardware and software, PIN entry devices, IPTV, medical devices, VoIP hardware and software stacks, and modern networking access controls and identity management systems.
Nathan holds a Bachelor of Business Administration degree in Management Information Systems from the University of Oklahoma and holds a number of information security and audit certifications.