One of the most difficult problems to be solved by metacomputing systems is to ensure strong authentication and authorization. The problem is complicated since the hosts involved ...
Privacy and security have always been key concerns for individuals. They have also been closely related concepts: in order to increase their perception of security, people sacriï¬...
Identity federation is a powerful scheme that links accounts of users maintained distinctly by different business partners. The concept of network identity is a driver for accele...
Denial of Service (DoS) attacks are serious threats for network societies. For dealing with DoS attacks, Jakobsson and Juels first proposed the notion of useful client puzzles (UC...
This paper describes a conceptual model for attribute aggregation that allows a service provider (SP) to authorise a user’s access request based on attributes asserted by multip...
David W. Chadwick, George Inman, Nate Klingenstein