Credentials like passwords or cryptographic key pairs are a means to prove one’s identity to a web server. A practical problem in this context is the question of how a user can t...
Tobias Straub, Thilo-Alexander Ginkel, Johannes Bu...
It has recently been shown that fair exchange, a security problem in distributed systems, can be reduced to a fault tolerance problem, namely a special form of distributed consensu...
Carole Delporte-Gallet, Hugues Fauconnier, Felix C...
We present an architecture for detecting “zero-day” worms and viruses in incoming email. Our main idea is to intercept every incoming message, prescan it for potentially danger...
Stelios Sidiroglou, John Ioannidis, Angelos D. Ker...
Malicious traffic from self-propagating worms and denialof-service attacks constantly threatens the everyday operation of Internet systems. Defending networks from these threats d...
Security becomes increasingly important. However, existing security tools, almost all defensive, have many vulnerabilities which are hard to overcome because of the lack of informa...