Modern smartphone operating systems (OSs) have been developed with a greater
emphasis on security and protecting privacy. One of the mechanisms these systems use to …

Android uses a system of permissions to control how apps access sensitive devices and
data stores. Unfortunately, we have little understanding of the evolution of Android …

Android provides third-party applications with an extensive API that includes access to
phone hardware, settings, and user data. Access to privacy-and security-relevant parts of the …

The ever increasing expansion of mobile applications into nearly every aspect of modern
life, from banking to healthcare systems, is making their security more important than ever …

Android is the first mass-produced consumer-market open source mobile platform that
allows developers to easily create applications and users to readily install them. However …

In contrast to the Android application layer, Android's application framework's internals and
their influence on the platform security and user privacy are still largely a black box for us. In …

We introduce the Android Security Framework (ASF), a generic, extensible security
framework for Android that enables the development and integration of a wide spectrum of …

Several works have recently shown that Android's security architecture cannot prevent many
undesired behaviors that compromise the integrity of applications and the privacy of their …

Android's permission system is intended to inform users about the risks of installing
applications. When a user installs an application, he or she has the opportunity to review the …

Google's Android platform includes a permission model that protects access to sensitive
capabilities, such as Internet access, GPS use, and telephony. While permissions provide an …