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Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
Sybil Attacks Against Mobile Users
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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 …

"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

Published in: Technology
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  • 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
  • Transcript

    • 1. _ _
    • 2. I did my PhD @
    • 3. U niversity C ollege L ondon
    • 4. <PhD>
    • 5. Ratings on ...
    • 6. Ratings on phones
    • 7. Why ratings on mobiles?
    • 8. Situation : People exchange digital content
    • 9. People
    • 10.  
    • 11.  
    • 12.  
    • 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)
    • 22. Traditional Solutions
    • 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
    • 27.  
    • 28.  
    • 29.  
    • 30.  
    • 31. device keeps 2 nets & reasons on them
    • 32.  
    • 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?
    • 37.  
    • 38.  
    • 39.  
    • 40.  
    • 41.  
    • 42. issue 1: social exclusion
    • 43. MobID + FriendSensing
    • 44. FriendSensing ((.))
    • 45.  
    • 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
    • 50. MobID + FriendSensing
    • 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
    • 57.  

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