Location-based services (LBSs) provide enhanced functionality and convenience of
ubiquitous computing, but they open up new vulnerabilities that can be utilized to violate the …

The goal of privacy metrics is to measure the degree of privacy enjoyed by users in a system
and the amount of protection offered by privacy-enhancing technologies. In this way, privacy …

Device-to-device (D2D) communication presents a new paradigm in mobile networking to
facilitate data exchange between physically proximate devices. The development of D2D is …

Enabling situation awareness in a given environment thus relies on being able to identify an
appropriate set of perception elements, coupled with higher-level comprehension patterns …

The widespread adoption of continuously connected smartphones and tablets developed
the usage of mobile applications, among which many use location to provide geolocated …

The mainstream approach to protecting the location-privacy of mobile users in location-
based services (LBSs) is to alter the users' actual locations in order to reduce the location …

Camouflaging user's actual location with fakes is a prevalent obfuscation technique for
protecting location privacy. We show that the protection mechanisms based on the existing …

Traffic delays and congestion are a major source of inefficiency, wasted fuel, and commuter
frustration. Measuring and localizing these delays, and routing users around them, is an …

We consider the geo-indistinguishability approach to location privacy, and the trade-off with
respect to utility. We show that, given a desired degree ofgeo-indistinguishability, it is …

In Vehicular Ad hoc NETworks (VANETs), authentication is a crucial security service for both
inter-vehicle and vehicle-roadside communications. On the other hand, vehicles have to be …