Privacy and Security in Online Social Media spsymposium

Privacy and Security in Online Social Media #spsymposium 13 March 2, 2013 Ponnurangam Kumaraguru (“PK”) Assistant Professor Hemant Bharat Ram Faculty Research Fellow fb/ponnurangam. kumaraguru, @ponguru

Who am I? Assistant Professor, IIIT-Delhi Ph. D. from School of Computer Science, Carnegie Mellon University Research interests - Privacy, e-Crime, Online Social Media, Usable security Founded and manage Pre. Cog, precog. iiitd. edu. in Courses that I teach @ IIITD - Research methods / Advanced research methods - Designing Human-Centered Systems precog. iiitd. edu. in

Pre. Cogs precog. iiitd. edu. in

Pre. Cogs precog. iiitd. edu. in

Research Areas of the Group Privacy ( and perceptions) e-Crime (Phishing, spam, copyright) OSM (Credibility, digital foot print) Usable security (CAPTCHAs, access control) precog. iiitd. edu. in

#privacyindia 12

What will we cover today? #privacyindia 12 precog. iiitd. edu. in

Twit-Digest precog. iiitd. edu. in

Identity Resolution Given an identity IA for user I on social network A, find her identity IB on social network B Webpage: http: //precog. iiitd. edu. in/research/findingnemo precog. iiitd. edu. in

Privacy in India: Attitudes and Awareness V 2. 0 http: //precog. iiitd. edu. in/research/privacyindi a #privacyindia 12 precog. iiitd. edu. in

You thought that on the Internet nobody knew you were a dog… …but then you started getting personalized ads for your favorite brand of dog food precog. iiitd. edu. in

Methodology 20 Interviews 10, 427 Surveys precog. iiitd. edu. in 4 FGDs 18 months!

Age Demographics Age (N=10, 350) <18 18 -24 25 -29 30 -39 40 -49 50 -64 65+ precog. iiitd. edu. in 1. 54 21. 31 32. 20 25. 90 14. 09 4. 46 0. 50 Gender (N= 10, 232) Male Female 67. 57 32. 43

Internet & Social Media What do you feel about privacy of your personal information on your OSN? Q 42, N = 6, 855 It is not a concern at all Since I have specified my privacy settings, my data is secure from a privacy breach Even though, I have specified my privacy settings, I am concerned about privacy of my data It is a concern, but I still share personal information It is a concern; hence I do not share personal data on OSN precog. iiitd. edu. in

Internet & Social Media What do you feel about privacy of your personal information on your OSN? Q 42, N = 6, 855 It is not a concern at all Since I have specified my privacy settings, my data is secure from a privacy breach Even though, I have specified my privacy settings, I am concerned about privacy of my data It is a concern, but I still share personal information It is a concern; hence I do not share personal data on OSN precog. iiitd. edu. in 42. 13

Internet & Social Media What do you feel about privacy of your personal information on your OSN? It is not a concern at all Since I have specified my privacy settings, my data is secure from a privacy breach Even though, I have specified my privacy settings, I am concerned about privacy of my data It is a concern, but I still share personal information It is a concern; hence I do not share personal data on OSN precog. iiitd. edu. in Q 42, N = 6, 855 19. 30 42. 13 23. 84 8. 02 6. 71

Internet & Social Media If you receive a friendship request on your most frequently used OSN, which of the following people will you add as friends? Person of opposite gender People from my hometown Person with nice profile picture Strangers (people you do not know) Somebody, whom you do not know or recognize but have mutual / common friends with Anyone precog. iiitd. edu. in Q 43, N = 6, 929

Internet & Social Media If you receive a friendship request on your most frequently used OSN, which of the following people will you add as friends? Person of opposite gender People from my hometown Person with nice profile picture Strangers (people you do not know) Somebody, whom you do not know or recognize but have mutual / common friends with Anyone precog. iiitd. edu. in Q 43, N = 6, 929 10. 12

Internet & Social Media If you receive a friendship request on your most frequently used OSN, which of the following people will you add as friends? Person of opposite gender People from my hometown Person with nice profile picture Strangers (people you do not know) Somebody, whom you do not know or recognize but have mutual / common friends with Anyone precog. iiitd. edu. in Q 43, N = 6, 929 27. 39 10. 12 2. 99

Internet & Social Media If you receive a friendship request on your most frequently used OSN, which of the following people will you add as friends? Person of opposite gender People from my hometown Person with nice profile picture Strangers (people you do not know) Somebody, whom you do not know or recognize but have mutual / common friends with Anyone precog. iiitd. edu. in Q 43, N = 6, 929 27. 39 19. 51 10. 12 4. 99 8. 31 2. 99

Released on Nov 22, 2012 precog. iiitd. edu. in

Phish. Ari On Chrome https: //chrome. google. com/webstore/detail /pheokmlohglcpigbnbenbimcombeoolm URLs anywhere in Twitter - Twitter timeline - Search results - Profile - Direct messages 2 best paper awards! precog. iiitd. edu. in

Thank you! [email protected] ac. in precog. iiitd. edu. in

OCEAN: Open source Collation of e. Government data and Networks IBM Icare 2012 precog. iiitd. edu. in • 8 million Voter-ID • 2. 5 million Driving License records • 253 unique users IIT-K 2013

Poster accepted at IIT-K Symposium 2013! Video accepted at Tech 2 Share IBM I-CARE 2012! http: //precog. iiitd. edu. in/cha. MAILeon Tech. report at http: //arxiv. org/abs/1301. 6843 precog. iiitd. edu. in

Discussion / Ways to collaborate Work on some common areas of interest Write some joint proposals Register Infosys employee through the triparty initiative What more formal things to do before we kick off the activities Will prefer to see some output soon to bootstrap the collaboration precog. iiitd. edu. in