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Trusted CI Webinar: Ancile: Enhancing Privacy for Ubiquitous Computing with Use-Based Privacy
The recent proliferation of sensors has created an environment in which human behaviors are continuously monitored and recorded. However, many types of this passively-generated data are particularly sensitive. For example, locations traces can be used to identify shopping, fitness, and eating habits. These traces have also been used to set insurance rates and to identify individual users in large, anonymized databases. To develop a trustworthy platform for ubiquitous computing applications, it will be necessary to provide strong privacy guarantees for the data consumed by these applications. Use-based privacy, which re-frames privacy as the prevention of harmful uses, is well-suited to address this problem.

This webinar introduces Ancile, a platform for enforcing use-based privacy for applications. Ancile is a run-time monitor positioned between applications and the data (such as location) they wish to utilize. Applications submit requests to Ancile; each request contains a program to be executed in Ancile’s trusted environment along with credentials to authenticate the application to Ancile. Ancile fetches data from a data provider, executes the program, and returns any output data to the application if and only if all commands in the program are authorized. We find that Ancile is both expressive and scalable. This suggests that use-based privacy is a promising approach to developing a privacy-enhancing platform for implementing location-based services and other applications that consume passively-generated data.

About Trusted CI: Trusted CI is the NSF Cybersecurity Center of Excellence. See our website trustedci.org.

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Jul 22, 2019 11:00 AM in Indiana (East)

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Speakers

Jason Waterman
Asst. Prof. Computer Science @Vassar College
Jason Waterman is an Assistant Professor of Computer Science at Vassar College. He received his Ph.D in Computer Science at Harvard University in the area of Coordinated Resource Management in Sensor Networks. He has also worked as research staff at MIT's Computer Science & Artificial Intelligence Laboratory, where he helped to build a system for monitoring patients in disaster situations.