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Abstract
Mobile application (app) developers are often ill-equipped to understand the privacy implications of their products and services, especially with the common practice of using third-party libraries to provide critical functionality. To add to the complexity, most mobile applications interact with the “cloud”—not only the platform provider’s ecosystem (such as Apple or Google) but also with third-party servers (as a consequence of library use). This presents a hazy view of the privacy impact for a particular app. Therefore, we take a significant step to address this challenge and propose a testbed with the ability to systematically evaluate and understand the privacy behavior of client server applications in a network environment across a large number of hosts. We reflect on our experiences of successfully deploying two mass market applications on the initial versions of our proposed testbed. Standardization across cloud implementations and exposed end points of closed source binaries are key for transparent evaluation of privacy features.
