$1.00 per RT #BostonMarathon
#PrayForBoston: Analyzing Fake
Content on Twitter
Sep	
  17,	
  2013	
  
eCrime	
  Research	
...
2	
  
About	
  Precog@IIITD	
  
Is	
  spreading	
  fake	
  content	
  an	
  eCrime?	
  
FAKE	
  
RUMORS	
  
3	
  
$	
  
Boston	
  Blasts	
  
•  Twin	
  blasts	
  occurred	
  during	
  the	
  Boston	
  Marathon	
  
– April	
  15th,	
  2013	
  ...
First	
  Image	
  on	
  TwiIer	
  (within	
  4	
  mins)	
  
5	
  
Sample	
  Fake	
  Tweets	
  
6	
  
>50,000	
  RTs	
  
>30,000	
  RTs	
  
Our	
  Contribu$ons	
  
•  We	
  characterized	
  the	
  spread	
  of	
  fake	
  content	
  on	
  TwiVer	
  using	
  
temp...
Data	
  Descrip$on	
  
Total tweets 7,888,374
Total users 3,677,531
Tweets with URLs 3,420,228
Tweets with Geo-tag 62,629
...
Data	
  Descrip$on	
  
9	
  
Data	
  Descrip$on	
  
10	
  
Methodology	
  
11	
  
Annota$ng	
  Viral	
  Tweets	
  
Annota$ng	
  Viral	
  Tweets	
  
Six	
  Rumors	
  
130,690	
  ReTweets	
  
128,019	
  Users	
  Affected	
  
Temporal	
  PaIerns	
  
14	
  
Temporal	
  PaIerns	
  
15	
  
True	
  informaYon	
  
propagaYon	
  begins	
  only	
  
aer	
  eight	
  hours	
  of	
  the	...
Predic$ng	
  Spread	
  of	
  Fake	
  Content	
  
•  Using	
  linear	
  regression	
  
•  Predict	
  how	
  viral	
  fake	
...
Predic$ng	
  Spread	
  of	
  Fake	
  Content	
  
17	
  
Results	
  show	
  it	
  is	
  possible	
  to	
  predict	
  how	
 ...
Suspended	
  Accounts	
  
•  31,919	
  new	
  TwiVer	
  accounts	
  created	
  during	
  
Boston	
  blasts,	
  that	
  twe...
Fake	
  /	
  Malicious	
  Accounts	
  
19	
  
Network	
  Analysis	
  of	
  Fake	
  Accounts	
  
20	
  
Self-­‐loops	
  
Network	
  Analysis	
  of	
  Fake	
  Accounts	
  
21	
  
Closed	
  community	
  
Network	
  Analysis	
  of	
  Fake	
  Accounts	
  
22	
  
Star	
  topology	
  
Network	
  Analysis	
  of	
  Fake	
  Accounts	
  
23	
  
Single	
  links	
  
Conclusions	
  &	
  Future	
  Work	
  
•  Based	
  on	
  the	
  insights	
  from	
  around	
  10	
  events	
  in	
  last	
...
Media	
  Coverage	
  
25	
  
Ques$ons	
  
?
26	
  
27	
  
Thank You!
aditig@iiitd.ac.in
pk@iiitd.ac.in
precog.iiitd.edu.in
Unifying the
Global Response
to Cybercrime
For any further information, please write to 	
  
pk@iiitd.ac.in	
  
precog.iiitd.edu.in	
  
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$1.00 per RT #BostonMarathon #PrayForBoston: Analyzing Fake Content on Twitter

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$1.00 per RT #BostonMarathon #PrayForBoston: Analyzing Fake Content on Twitter

  1. 1. $1.00 per RT #BostonMarathon #PrayForBoston: Analyzing Fake Content on Twitter Sep  17,  2013   eCrime  Research  Summit  2013   Adi$  Gupta,  Hemank  Lamba,     Ponnurangam  Kumaraguru  (PK)   IIIT-­‐Delhi,  India   Unifying the Global Response to Cybercrime
  2. 2. 2   About  Precog@IIITD  
  3. 3. Is  spreading  fake  content  an  eCrime?   FAKE   RUMORS   3   $  
  4. 4. Boston  Blasts   •  Twin  blasts  occurred  during  the  Boston  Marathon   – April  15th,  2013  at  18:50  GMT   •  3  people  were  killed  and  264  were  injured   •  Suspects  Tamerlan  Tsarnaev  (deceased)  and  Dzhokhar   Tsarnaev  (in  custody)   •  Huge  volume  of  content  posted  on  social  media  websites,   including  TwiVer   4  
  5. 5. First  Image  on  TwiIer  (within  4  mins)   5  
  6. 6. Sample  Fake  Tweets   6   >50,000  RTs   >30,000  RTs  
  7. 7. Our  Contribu$ons   •  We  characterized  the  spread  of  fake  content  on  TwiVer  using   temporal,  source  and  user  aVributes.   •  We  applied  linear  regression  model  to  predict  how  viral  a   rumor  would  in  future  based  on  its  current  user   characterisYcs.   •  We  analyzed  the  acYvity  and  interacYon  graphs  for  the   suspended  user  profiles  created  during  Boston  blasts.     7  
  8. 8. Data  Descrip$on   Total tweets 7,888,374 Total users 3,677,531 Tweets with URLs 3,420,228 Tweets with Geo-tag 62,629 Retweets 4,464,201 Replies 260,627 Time of the blast Mon Apr 15 18:50 2013 Time of first tweet Mon Apr 15 18:53 2013 Time of first image Mon Apr 15 18:54 2013 Time of last tweet Thu Apr 25 01:23 2013 8  
  9. 9. Data  Descrip$on   9  
  10. 10. Data  Descrip$on   10  
  11. 11. Methodology   11  
  12. 12. Annota$ng  Viral  Tweets  
  13. 13. Annota$ng  Viral  Tweets   Six  Rumors   130,690  ReTweets   128,019  Users  Affected  
  14. 14. Temporal  PaIerns   14  
  15. 15. Temporal  PaIerns   15   True  informaYon   propagaYon  begins  only   aer  eight  hours  of  the   blast  
  16. 16. Predic$ng  Spread  of  Fake  Content   •  Using  linear  regression   •  Predict  how  viral  fake  informaYon  /  rumor  would  be  in  future   based  on  impact  of  users  tweeYng  the  rumor   •  Impact  based  on:   –  Social  reputaYon   –  Global  engagement   –  Topical  engagement   –  Likability   –  Credibility   16  
  17. 17. Predic$ng  Spread  of  Fake  Content   17   Results  show  it  is  possible  to  predict  how  viral  a  rumor  would  become  in   future  based  on  aVributes  of  users  currently  propagaYng  the  rumor.  
  18. 18. Suspended  Accounts   •  31,919  new  TwiVer  accounts  created  during   Boston  blasts,  that  tweeted  about  the  event   •  Out  of  these  19%  [6,073  accounts]  were   deleted  or  suspended  by  TwiVer   18  
  19. 19. Fake  /  Malicious  Accounts   19  
  20. 20. Network  Analysis  of  Fake  Accounts   20   Self-­‐loops  
  21. 21. Network  Analysis  of  Fake  Accounts   21   Closed  community  
  22. 22. Network  Analysis  of  Fake  Accounts   22   Star  topology  
  23. 23. Network  Analysis  of  Fake  Accounts   23   Single  links  
  24. 24. Conclusions  &  Future  Work   •  Based  on  the  insights  from  around  10  events  in  last  two  years   including:   –  England  riots   –  Libya  crisis   –  Mumbai  triple  blasts   –  Hurricane  Sandy   –  Boston  Blasts   •  We  are  building  Real-­‐Yme  soluYons   – Browser  plug-­‐in   – Monitoring  tools   24  
  25. 25. Media  Coverage   25  
  26. 26. Ques$ons   ? 26  
  27. 27. 27   Thank You! aditig@iiitd.ac.in pk@iiitd.ac.in precog.iiitd.edu.in Unifying the Global Response to Cybercrime
  28. 28. For any further information, please write to   pk@iiitd.ac.in   precog.iiitd.edu.in  

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