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Page 1: Privacy Preserving Electronic Surveillance

WPES 2003 1

Privacy Preserving Electronic Surveillance

Keith Frikken and Mikhail Atallah

Purdue University

October 30, 2003

Page 2: Privacy Preserving Electronic Surveillance

WPES 2003 2

Overview

• Motivation

• Related Work

• Building Blocks

• Protocols

• Summary

Page 3: Privacy Preserving Electronic Surveillance

WPES 2003 3

Motivation

• Government wants to monitor people in order to:– Prevent terrorist acts– Detect criminal behavior (Meth labs etc.)– Catch deadbeat parents

• Wide scale monitoring would require widespread collection and sharing of data about individuals

Page 4: Privacy Preserving Electronic Surveillance

WPES 2003 4

Privacy Problems

• Privacy problems

• Problematic to bring data into central repositories– i.e. Total Information Awareness

• Problem: All individuals are subjected to high level of scrutiny to protect it against small subset of population


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