Fitness tracking devices monitor heartbeats, measure steps, sleep, and tie into a larger ecosystem of goal setting, diet tracking, and other health activities. Every Step You Fake  investigates the privacy and security properties of eight popular wearable fitness tracking systems. The authors, Citizen Lab researchers Andrew Hilts, Christopher Parsons, and Jeffrey Knockel, use a variety of technical, policy, and legal methods to understand what data is being collected by fitness tracking devices and their associated mobile applications, what data is sent to remote servers, how the data is secured, with whom it may be shared, and how it might be used by companies.

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