The current Internet addressing architecture does not verify the source address of a packet received and forwarded. This causes serious security and accounting problems. Based on t...
Alphanumeric passwords are widely used in computer and network authentication to protect users' privacy. However, it is well known that long, textbased passwords are hard for...
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...
In this paper we present a robust software infrastructure for metacomputing. The system is intended to be used by others as a building block for large and powerful computational g...
In a secure mediated information system, confidentiality is one of the main concerns when transmitting data from datasources to clients via a mediator. We present three approache...