Transcript Lecture 2b - Getting a grip on anonymity

Anonymity - Background
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Prof. Newman, instructor
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CSE-E346
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352-505-1579 (don’t leave message)
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Office Hours (tentative): 10-noon TR
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[email protected] - subject: Anon ...
Reading
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Read Pfitzman & Waidner
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Read Chaum Mix paper
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Start discussion of these Friday
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Reading list (approximate) on web page
What is Anonymity
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Literally, lacking a name (a + onyma)
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Unidentifiability
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Inability to attribute artifact or actions
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Related to privacy - how?
Topics
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Defining anonymity
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Defining privacy
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Need for anonymity
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Threats to anonymity and privacy
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Mechanisms to provide anonymity
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Applications of anonymity technology
Exercise
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Take a minute or two to define privacy
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Share with your neighbor(s)
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Share with the class
What is Privacy?
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Ability of an entity to control its own space
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Physical space
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Bodily space
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Data space
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Communication space
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What else?
Exercise
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What are examples of privacy in these spaces?
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Physical space
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Bodily space
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Data space
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Communication space
What other spaces can you think of?
Privacy Spaces
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Physical space:
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Bodily space:
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identity, activity, status, records
Communication space:
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medical consent, battery
Data space:
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invasion, paparazzi, location (GPS)
email, Internet privacy, correspondents, phone #,
address, stalking, harassment
Overlap in spaces (e.g., location)
Topics
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Defining anonymity
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Defining privacy
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Need for anonymity
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Threats to anonymity and privacy
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Mechanisms to provide anonymity
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Applications of anonymity technology
Need for Privacy/Anonymity
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Planning/execution in competition
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Fundamental right – voting, celebrities
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Philosophical necessity (free will)
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Restarting when past can cripple
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Statutory requirements (HIPAA, FISMA)
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Liability issues – data release
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Freedom/survival in repressive environments
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Increasing pressure from technologies
Privacy/Anonymity Threats
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Available surveillance technology
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Identification technology
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Increasing use of databases
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Data mining
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Identity theft
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Increasing requirements for I&A
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Increasing governmental desire for surveillance