Integrity checker for wireless sensor networks in health care applications

Wireless sensor networks (WSN) for health care systems are used to transmit large amount of data collected from several physiological and environmental sensors. Because the information regarding the health of an individual is highly sensitive, it must be kept private and secure. It is of paramount importance to defend the network against any illegal access, as well as malicious insertion of data that would alter the integrity of the entire system. In this paper, we propose solutions to ensure robustness, integrity, and privacy of sensor networks in health care systems. In addition, we define new metrics for determining the integrity of the sensory data. These metrics are defined based on specific characteristics of the health care systems.