A Context-Based Approach of Security Policies

Ghita Kouadri Mostéfaoui and Patrick Brézillon

The wide adoption of handled devices and remote services arises a number of security problems for users and services providers. The ubiquitous (pervasive) nature of such applications has brought new security vulnerabilities, and security in pervasive computing is thus, still a hot topic. Context-based security is an emerging approach for modeling adaptive security solutions based on the context of use of the system. Our contribution aims at presenting a new model for specifying contextbased security levels. This approach is based on contextual graphs and relies on a set of contextual information collected from the system and user’s environments.

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