Assistant Professor, Johns Hopkins UniversityMatthew Green is a Professor at the Johns Hopkins Information Security Institute. His research focus is on cryptographic techniques for maintaining users’ privacy, and on technologies that enable the deployment of privacy-preserving protocols. Green is frequently quoted by the Economist and the New York Times on the social and political impact of cryptographic technologies. From 2004 to 2011, Green served as CTO of Independent Security Evaluators, a custom security evaluation firm with a global client base. Along with a team at Johns Hopkins and RSA Laboratories, he discovered flaws in the Texas Instruments Digital Signature Transponder, a cryptographically enabled RFID device used in the Exxon Speedpass payment system and in millions of vehicle immobilizers.