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Towards Privacy Standards Based on Empirical Data Serge Egelman - PowerPoint PPT Presentation

Towards Privacy Standards Based on Empirical Data Serge Egelman Erika McCallister 2 Previous Privacy Standards P3P had highly granular privacy options Major web browsers supported it >25% of the most popular websites supported


  1. Towards Privacy Standards Based on Empirical Data Serge Egelman Erika McCallister

  2. 2 Previous Privacy Standards • P3P had highly granular privacy options • Major web browsers supported it • >25% of the most popular websites supported P3P • Great success?

  3. 3 P3P ¡is ¡too ¡ granular! ¡

  4. 4 How about SSL? • Most users don’t understand when a website is encrypted • Most users don’t understand what most SSL errors mean • There are only two failure modes: – Site is not properly encrypted – Site is not trusted

  5. 5 $#*! My Browser Says

  6. 6 UI Is Critical • Interface needs to be consistent • So how do we do this? – Will users make more informed decisions when impact is clearer? – Is informed consent currently being obtained when sites request data? • We need data!

  7. 7 Quid Pro Quo Nom, ¡nom, ¡ nom! ¡

  8. 8 Informed Consent?

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