We analyze information leaks in the lookup mechanisms of structured peer-to-peer anonymous communication systems and how these leaks can be used to compromise anonymity. We show t...
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...
The security policy of an information system may include a wide range of different requirements. The literature has primarily focused on access and information flow control require...
Abstract. This paper describes the analysis of Pull-Based Asynchronous Rekeying Framework (ARF), a recently proposed solution to the scalable group key management problem in secure...
We address the problem of restricting root’s ability to change arbitrary files on disk, in order to prevent abuse on most current desktop operating systems. The approach first...