Conférence du Professeur Ernst Leiss intitulée : "Access Control: Authentication Methods"

Vendredi 7 Décembre 208 à 10h

A l'occasion de la visite du Professeur Ernst Leiss, University of Houston - USA and Distinguished ACM Speaker, à l'ENSIAS, il donnera une conférence intitulée "Access Control: Authentication Methods", ce vendredi 7 décembre 2018 à 10H00 dans l'Amphi II


This talk focuses on methods of authenticating users. The standard approaches use either passwords or biometrics. We review and compare both approaches; each has its advantages and disadvantages. However, it is crucial to understand that if a password is compromised, it can be replaced, but if biometrics are compromised, they cannot be replaced. We discuss different attacks and possible defenses; however, the sniff-and-suppress attack requires significant resources that are often not available. This provides the starting point for a reexamination of password generation schemes. We conclude with an approach, secure vestibule, that guards against keystroke capturing (spyware) when entering a password.

Short Biography


Ernst Leiss is Professor of Computer Science at the University of Houston. He earned degrees in computer science (M. Math., University of Waterloo, Canada, 1974), engineering (Dipl.-Ing., TU Vienna, Austria, 1975) and mathematics (Dr. techn., TU Vienna, Austria, 1976). He taught at Waterloo, the University of Chile in Santiago, and the University of Kentucky before joining the faculty at the University of Houston in 1979. His research interests include formal language theory, high-performance computing, and security. He has supervised and conducted research resulting in 17 doctoral dissertations, over 100 master theses, six books, and about 170 peer-reviewed publications in conferences and journals.

Leiss has lectured in 32 different countries, in three different languages. He has been an ACM Distinguished Lecturer since 1991and the chair of the Houston chapter of the IEEE Computer Society since 1981.



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