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Protecting your online privacy
- 1. Protecting Your OnlinePrivacy Everybody Wants To Track You & Nobody Wants To Get Tracked! Ram Parthasarathy @ramanujam ramanuj.me Saturday, November 9, 13
- 2. Privacy Privacy is anindividual’s right to control the collection, use and disclosure of personal information Saturday, November 9, 13
- 3. Who Tracks YouOnline? • Google, Facebook, Twitter, LinkedIn • Analytics Tools • Ad serving companies • Location based apps & services (run keeper, starbucks, yelp, groupon) • ISPs, CDNs, Data brokers Saturday, November 9, 13
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- 5. Why are youbeing tracked? • Advertising is the backbone of many big internet services • Providing you a better user experience • Cheap and fast processing power and storage (Big Data!) • Security & National Intelligence • Spam, identity theft etc Saturday, November 9, 13
- 6. How is trackingdone? Saturday, November 9, 13
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- 8. HTTP Cookies &Flash Cookies First Party Cookies vs Third Party Cookies Saturday, November 9, 13
- 9. Ever-cookies (aka ZombieCookies) Ad Tags & Pixels iFrames Saturday, November 9, 13
- 10. How is thisdata used? Saturday, November 9, 13
- 11. Relevant Search Results- Good! IP spoofed with a proxy Saturday, November 9, 13
- 12. Recommendations - Good! Saturday,November 9, 13
- 13. Info based onuser action - Good! Saturday, November 9, 13
- 14. Excessive Ad Retargeting- Bad! Saturday, November 9, 13
- 15. Identity Theft, Sellingdata - Ugly! Saturday, November 9, 13
- 16. How Unique AreYou ? Saturday, November 9, 13
- 17. How Unique AreYou ? 33 Bits Saturday, November 9, 13
- 18. How Unique AreYou ? 33 Bits There are only 6.6 billion people in the world, so you only need 33 bits (more precisely, 32.6 bits) of information about a person to determine who they are. Saturday, November 9, 13
- 19. How Unique AreYou ? 33 Bits There are only 6.6 billion people in the world, so you only need 33 bits (more precisely, 32.6 bits) of information about a person to determine who they are. - Arvind Narayanan, Princeton, http://33bits.org Saturday, November 9, 13
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- 21. How many trackers? Saturday,November 9, 13
- 22. What can YOUdo? Saturday, November 9, 13
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- 24. Really... What canYOU do? Know and decide what you want to expose and what you don’t want to. Choose the corresponding action. Saturday, November 9, 13
- 25. Some Common Methods •The basic one - think for a second before you post something on the internet! • Disable Javascript (Too aggressive!) • Disable Third-Party cookies (Default on Safari. Firefox is trying to). • Check Android App Permissions before you install. • Use incognito mode. • Use DuckDuckGo Saturday, November 9, 13
- 26. Browser Extensions Ghostery ghostery.com Saturday, November9, 13 Disconnect disconnect.me ShareMeNot sharemenot.cs.washington. edu/
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