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PRIVACY IN NETWORK TRACES Ilya Mironov Microsoft Research (Silicon Valley Campus)

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Presentation on theme: "PRIVACY IN NETWORK TRACES Ilya Mironov Microsoft Research (Silicon Valley Campus)"— Presentation transcript:

1 PRIVACY IN NETWORK TRACES Ilya Mironov Microsoft Research (Silicon Valley Campus)

2 Anonymity vs Privacy Anonymity = identity protection Privacy – much, much more Everyone of you has watched Titanic!

3 Personally Identifiable Information -Golden Standard of privacy reviews - Language of many laws (e.g., HIPAA)

4 Personally Identifiable Information PII =

5 Everything is PII [Narayanan & Shmatikov, Oakland 2008]

6 Sanitization Safe to release - Inadequate privacy - Loss of utility [Dinur & Nissim, PODS 2003]

7 Our vision: Differential privacy q q r r'r' - Interactive access - Precise and general guarantees - Randomized responses [Dwork, ICALP 2006]

8 Privacy budget q r q r'r' privacy

9 PINQ LINQ: C#-based data access language PINQ: LINQ with privacy guarantees Population density: [McSherry, 2008]

10 More information Microsoft Research (Silicon Valley Campus) project: http://research.microsoft.com/research/sv/DatabasePrivacy/

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