Networking and Security Projects

Understanding and Taming the Privacy Footprint

Typical Web pages may contain numerous third-party components, ranging from advertisement networks to analytics tools to third-party APIs necessary for page function. All of these components may leak information to third parties about the users' current activity. We are attempting to quantify this information leakage through a policy written in the Bro IDS. Preliminary analysis paints a bleak picture, as more than 1 percent of all HTTP requests observed by ICSI users are deliberately leaking information just through Google Analytics alone.

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