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Privacy analysis of user association log in an enterprise wireless network. Keren Tan. Background. To protect privacy, we sanitize network trace before sharing them General sanitization mainly focus on randomizing or truncating explicit user identity information. randomize. 345356.
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Privacy analysis of user association log in an enterprise wireless network Keren Tan
Background • To protect privacy, we sanitize network trace before sharing them • General sanitization mainly focus on randomizing or truncating explicit user identity information randomize 345356 129.170.212.88 129.170.212.* truncate
Motivation • Besides those explicit identity information in each log entry, much information that can be linked to a specific user (or a small subset of users) is also implicitly contained in collected traces.
Which one is Snoopy? Person 1 Gym, 100min Bake, 50min Sudikoff, 45min Sanitized Person 2 Gym, 55min Bake, 50min Sudikoff, 25min Bake, 30min Sudikoff, 55min Bake, 60min Gym, 80min NP, 10min Person 1 looks like more similar than Person 2?
Challenges Duration 3 months Dataset size > 50GB Scalability! Number of users > 22000 Number of APs> 1300