Sybil Attacks Against Mobile Users
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"Sybil Attacks Against Mobile Users: Friends and Foes to the Rescue". Presentation at INFOCOM 2010 of this paper http://eprints.ucl.ac.uk/18812/1/18812.pdf
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Sybil Attacks Against Mobile Users
- 1. _ _
- 2. I did my PhD @
- 3. U niversity C ollege L ondon
- 4. <PhD>
- 7. Why ratings on mobiles?
- 8. Situation : People exchange digital content
- 9. People
- 13. The problem is ...
- 14. drowning user (content overload) help! who will come to the rescue?
- 15. Proposal: Accept content only from reputable people
- 16. Use Store
- 17. Use Store MobiRate [Ubicomp08]
- 18. Use Store LDTP [ICDM07] MobiRate [Ubicomp08]
- 19. MobID
- 20. Collaborative applications: track trustworthiness of IDs
- 21. one misbehaves & creates bogus identities (goes untraceable)
- 23. pki
- 24. p2p socnet fast mixing & no churn
- 25. 1. u’ve got friends: honest & key-enabled! 2. u don’t move randomly 3. homophily: P(honest honest)=HIGH assumptions
- 26. “ A meets B” @A: 1. B &co. into its network 2. rank B 3. accept/reject B
- 31. device keeps 2 nets & reasons on them
- 33. 1. B &co. into networks 2. 2 ranks for B 3. accept/reject B 4. update networks` “ A meets B”
- 34. GoodRank BadRank B C D E F G L M N O P
- 35. GoodRank BadRank B C D E F G L M N O P
- 36. Does it work?
- 42. issue 1: social exclusion
- 43. MobID + FriendSensing
- 46. Keep Bluetooth on (record who is around)
- 47. Upload records
- 48. People you may know
- 49. People You May Know Forrest Gump Bambie Barack Obama Add to Friends Add to Friends Add to Friends
- 51. If you are looking for Kinky boots issue 2
- 52. whether you are …
- 53. a woman…
- 54. or a man a woman…
- 55. Thorny problem:
- 56. … or a woman… How to keep it secret
Hinweis der Redaktion
- U use EBAY. In my research
- People in a train, with their phones, willing to share pics/videos That is because…
- Fast!!!
- [slow down] one the way back home they are willing to share pic/videos
- [pause]
- Too much content around. My phone doesn’t know from whom to download pixcs/videos One of the solutions is the proposal of my phd
- For the last 3 years I’ve been thinking how to do that Thumbs up/ down -> ratings -> to aututomatically select reputable people And, for 3 years, I;’ve been thinking about just 2 things….
- How to store And how to use Period. That’s what I was doing all day long for 3 years My dayhob paid by you guys was to dayfream and come up with ideas on how … My goal: [hand] is to presents two papers.
- [pause] Le’ts start with the first problem