This book constitutes the thoroughly refereed post-proceedings of the 16th International Workshop on Security Protocols, SP 2008, held in Cambridge, UK, in April 2008. The 17 revised full papers presented together with edited transcriptions of some of the discussions following the presentations have gone through multiple rounds of reviewing, revision, and selection. The theme of this workshop was "Remodelling the Attacker" with the intention to tell the students at the start of a security course that it is very important to model the attacker, but like most advice to the young, this is an...

What constitutes an identity, how do new technologies affect identity, how do we manage identities in a globally networked information society? The increasing div- sity of information and communication technologies and their equally wide range of usage in personal, professional and official capacities raise challenging questions of identity in a variety of contexts. The aim of the IFIP/FIDIS Summer Schools has been to encourage young a- demic and industry entrants to share their own ideas about privacy and identity m- agement and to build up collegial relationships with others. As such, the...

This book constitutes the thoroughly refereed post-proceedings of the 17th International Workshop on Security Protocols, SP 2009, held in Cambridge, UK, in April 2009. The 17 revised full papers presented together with edited transcriptions of some of the discussions following the presentations have gone through multiple rounds of reviewing, revision, and selection. The theme of this workshop was Brief Encounters. In the old days, security protocols were typically run first as preliminaries to, and later to maintain, relatively stable continuing relationships between relatively unchanging...