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 …

Modern smartphone platforms implement permission-based models to protect access to
sensitive data and system resources. However, apps can circumvent the permission model …

The security research community has invested significant effort in improving the security of
Android applications over the past half decade. This effort has addressed a wide range of …

We study six months of human mobility data, including WiFi and GPS traces recorded with
high temporal resolution, and find that time series of WiFi scans contain a strong latent …

As this article is being drafted, the SARS-CoV-2/COVID-19 pandemic is causing harm and
disruption across the world. Many countries aimed at supporting their contact tracers with the …

In parallel with the meteoric rise of mobile software, we are witnessing an alarming
escalation in the number and sophistication of the security threats targeted at mobile …

App-in-app is a new and trending mobile computing paradigm in which native app-like
software modules, called sub-apps, are hosted by popular mobile apps such as Wechat …

Smartphone usage is tightly coupled with the use of apps that can be either free or paid.
Numerous studies have investigated the tracking libraries associated with free apps. Only a …

The access to privacy-sensitive information on Android is a growing concern in the mobile
community. Albeit Google Play recently introduced some privacy guidelines, it is still an …

Android offers a shared system that multiplexes all logged data from all system components,
including both the operating system and the console output of apps that run on it. A security …