Serge Vaudenay entered at the Ecole Normale Supérieure in Paris in 1989 with a major in mathematics. He received his Ph.D. in computer sciences from University of Paris 7 - Denis Diderot in 1995. He subsequently became a Research Fellow at CNRS (National Center for Scientific Research in France). In 1999, he was appointed as a Professor at the EPFL, where he created the Security and Cryptography Laboratory. He works on cryptography and the security of digital information. Most of his work relates to security analysis and provable security of cryptographic algorithms and protocols, specially in secure communication, post-quantum cryptography, Internet of Things, distance bounding, biometric systems, and contact tracing.