Date Added: Jun 2010
Security in Ambient Intelligence (AmI) poses too many challenges due to the inherently insecure nature of wireless sensor nodes. However, there are two characteristics of these environments that can be used effectively to prevent, detect, and confine attacks: redundancy and continuous adaptation. In this paper, the authors propose a global strategy and a system architecture to cope with security issues in AmI applications at different levels. Unlike in previous approaches, they assume an individual wireless node is vulnerable.