Cristina Serban

Securing Mobile Location-based Services through position verification leveraging key distribution

Technological advancements have made it possible to use information associated with a mobiles location to form new computing and services. One concern with these emerging location-based services (LBS) is their ability to provide security while remaining reliable and accurate. In this paper, we focus on securing Mobile Location-based Services (MLBS), where certain goods or services are provided by mobile vendors to a clientele based on the proximity of vendors to potential customers. We identify different attacks and misuse faced by MLBS, and show that position verification is a critical step in providing a secure and trustworthy MLBS. To provide position verification, we propose a scheme called Key Distribution-based Position Verification (KEPI), which takes advantage of an auxiliary network of transponders to facilitate trustworthy location-based services. We derive an analytical model to evaluate our approach and our simulation results provide useful insights about how auxiliary networks can help provide trustworthy mobile services.

Securing the mobile enterprise with network-based security and cloud computing

This paper proposes a new security architecture for the mobile enterprise which uses network-based security and cloud computing to both simplify and enhance the security of enterprises, and reinstate the currently disappearing security perimeter.