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#Privacy #Security #SocialMedia #Fake #Shadow #Profiles #Bots

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#Privacy #Security #SocialMedia #Fake #Shadow #Profiles #Bots

  1. 1. #Privacy #Security #SocialMedia #Fake #Shadow #Profiles #Bots @pongurupkatiiitd /in/ponguru Ponnurangam.kumaraguru FDP on Big Data Computing Nov 23 – 28, 2020 IIIT Una Ponnurangam Kumaraguru (“PK”) #ProfGiri CS, #DeanGiri Student Affairs, IIIT Delhi ACM India Council Member TEDx & ACM Distinguished Speaker
  2. 2. 2
  3. 3. 3 https://onlinecourses.nptel.ac.in/noc21_cs28/preview
  4. 4. 4 http://reports-archive.adm.cs.cmu.edu/anon/isr2009/CMU-ISR-09-106.pdf
  5. 5. 5
  6. 6. 6
  7. 7. #LokSabhaElections2019 7
  8. 8. Data – Political / Verified handles snapshots – Hashtags 8
  9. 9. Twitter removes “suspect users” 9
  10. 10. Inorganic drop of followers @KirenRijiju, 124K 10
  11. 11. Other accounts – @narendramodi 100K – @byadavbjp 81K – @ianuragthakur 20K – @RahulGandhi 10K – For more look at http://labs.precog.iiitd.edu.in/elections-2019 11
  12. 12. Voter Surveillance 12
  13. 13. Twitch, Chatbots 13 – focuses on video game live streaming – broadcasts of eSports competitions – music broadcasts – creative content – more recently, "in real life" streams – 2.2 million broadcasters monthly, 15 million daily active users, a million average concurrent users [May 2018]
  14. 14. Live Stream 14
  15. 15. Tools for chatbots 15
  16. 16. Genuine / Bot 16
  17. 17. Approach 17
  18. 18. Data 18 – 439,650 messages – 168 streamers – 8,885 chatters
  19. 19. Observations 19 – Chatbots tend to post more messages than genuine users, with most chatbots posting messages with similar frequency – Chatbotted streams have a higher IMD than genuine streams. Chatbots have a consistent IMD showing that they are automated – Chatbots’ message distribution is more spread out, and on average, they post consistently throughout the stream https://github.com/precog-iiitd/Sherlock
  20. 20. 20 Motivation What’s the real worth of Online profiles of brands, influencers and celebrities? Follower blackmarkets are helping bots thrive Other social platforms are also affected
  21. 21. 21 https://www.freefollowers.io/
  22. 22. 22 http://plusfollower.info/
  23. 23. 23 http://precog.iiitd.edu.in/pubs/follower-count-fallacy-acmsac-2018.pdf
  24. 24. 24 https://reviewmeta.com/
  25. 25. 25
  26. 26. 26 https://like4like.com/
  27. 27. 27 http://precog.iiitd.edu.in/pubs/fake-likes-instagram-websci18.pdf
  28. 28. 28
  29. 29. Harvard (1839) – Harvard – Harvard – Harvard – MIT – Northwestern – UIUC – WUSL – CMU (2009) – IIITD (April 25, 2019) 29
  30. 30. Shadow profiles 30
  31. 31. 31
  32. 32. 32
  33. 33. 33
  34. 34. 34 http://precog.iiitd.edu.in/Publications_files/aa-spyingextensions.pdf
  35. 35. 35 http://precog.iiitd.edu.in/Publications_files/Vaibhav_Garg_Masters_Thesis.pdf
  36. 36. 36 http://precog.iiitd.edu.in/
  37. 37. Takeaways – Security and Privacy is there to stay… – No dearth of problems to study… – Will be happy to discuss anything further… – If any students / faculty are working anything close or is of interest to our work, will be happy to chat more – Happy to host you (faculty, Ph.D. scholars, UG / PG students)… 37
  38. 38. pkatiiitd Ponnurangam.kumaraguru /in/ponguru ponguru pk@iiitd.ac.in http://precog.iiitd.edu.in

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