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Title: An automata-based approach to evolving privacy policies for social networks
Authors: Pardo, Raul
Colombo, Christian
Pace, Gordon J.
Schneider, Gerardo
Keywords: Computer software -- Verification
Aspect-oriented programming
Computer software -- Testing
Computer software -- Development
Real-time data processing
Issue Date: 2016
Publisher: Springer International Publishing
Citation: Pardo R., Colombo C., Pace, G. J., & Schneider G. (2016). An automata-based approach to evolving privacy policies for social networks. 16th International Conference on Runtime Verification, Madrid. 285-301.
Abstract: Online Social Networks (OSNs) are ubiquitous, with more than 70 % of Internet users being active users of such networking services. This widespread use of OSNs brings with it big threats and challenges, privacy being one of them. Most OSNs today offer a limited set of (static) privacy settings and do not allow for the definition, even less enforcement, of more dynamic privacy policies. In this paper we are concerned with the specification and enforcement of dynamic (and recurrent) privacy policies that are activated or deactivated by context (events). In particular, we present a novel formalism of policy automata, transition systems where privacy policies may be defined per state. We further propose an approach based on runtime verification techniques to define and enforce such policies. We provide a proof-of-concept implementation for the distributed social network Diaspora, using the runtime verification tool Larva to synthesise enforcement monitors.
Appears in Collections:Scholarly Works - FacICTCS

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