Week 6.1: eCrime

•

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IIIT Hyderabad

Privacy and Security in Online Social Media. Course on NPTEL. Week 6.1: eCrime.

Social Media

Topics that we will cover
⚫ Overview of OSM
⚫ Linux / Python / Twitter API / Mongo DB / MySQL
[Hands-on]
⚫ Trust & Credibility
⚫ Privacy
⚫ Policing
⚫ Social Network Analysis, NLTK [Hands-on]
⚫ e-crime
⚫ Plotly / Highcharts / Geo-location analysis
[Hands-on]
⚫ Identity resolution
⚫ What next – Deep learning, machine learning, NLP,
Image analysis
2

Objective of Study
Whether OSN can support police to get
actionable information about crime and
residents’ opinion about policing activities in
urban cities of India.
4

Research Questions
⚫RQ 1: Topical Characteristics
- Nature of content and topics that characterize social
media discussion threads
⚫RQ 2: Engagement Characteristics
- How do citizens and police engage in social media
discussion threads?
⚫RQ 3: Emotional Exchanges
- Nature of emotions and affective expression that
manifest on social media
⚫RQ 4: Cognitive and Social Orientation
- What are the linguistic attributes that characterize
cognitive and social response processes?
7

Methodology
8
85 Public and official Police Department
Average age 3 years (from 2010 – April
2015)
47,474 wall posts and 85,408 status
updates

Technological Implications
⚫Helping communities to make consensus
based decisions regarding support and actions
they seek from police
⚫Help gauge changing emotions and behaviour
among citizens
-Timely and early predictive analytical systems
⚫Sense and record the reactions of citizens and
share these records with decision makers
-Take timely measures and gain better insights
9

Different crimes on OSM
⚫Phishing
⚫Fake X
⚫Social reputation: Fake followers /
Crowdturfing
⚫Clickbaiting
⚫Account compromise
⚫Account impersonation
⚫Work form home scam
⚫…
11

12
⚫Act of tricking someone into handling
over her login credentials in order to
exploit personal information
Phishing

Phishing
⚫Facebook Technical Support sent you a
notification
⚫Facebook new login system
⚫…..
⚫Facebook credentials being important now!
13

Advertising / Marketing
Scam /
Phishing
Foursquare Spam: Fake Tip

Thank you
pk@iiitd.ac.in
precog.iiitd.edu.in
fb/ponnurangam.kumaraguru

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1. Privacy and Security in Online Social Media Course on NPTEL NOC-CS07 Week 6.1 Ponnurangam Kumaraguru (“PK”) Associate Professor ACM Distinguished Speaker fb/ponnurangam.kumaraguru, @ponguru

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3. Multiple Police Dept. on OSN 3

4. Objective of Study Whether OSN can support police to get actionable information about crime and residents’ opinion about policing activities in urban cities of India. 4

5. Understanding Needs 5

6. Understanding Wants 6

7. Research Questions ⚫RQ 1: Topical Characteristics - Nature of content and topics that characterize social media discussion threads ⚫RQ 2: Engagement Characteristics - How do citizens and police engage in social media discussion threads? ⚫RQ 3: Emotional Exchanges - Nature of emotions and affective expression that manifest on social media ⚫RQ 4: Cognitive and Social Orientation - What are the linguistic attributes that characterize cognitive and social response processes? 7

8. Methodology 8 85 Public and official Police Department Average age 3 years (from 2010 – April 2015) 47,474 wall posts and 85,408 status updates

9. Technological Implications ⚫Helping communities to make consensus based decisions regarding support and actions they seek from police ⚫Help gauge changing emotions and behaviour among citizens -Timely and early predictive analytical systems ⚫Sense and record the reactions of citizens and share these records with decision makers -Take timely measures and gain better insights 9

10. Topics that we will cover ⚫ Overview of OSM ⚫ Linux / Python / Twitter API / Mongo DB / MySQL [Hands-on] ⚫ Trust & Credibility ⚫ Privacy ⚫ Policing ⚫ Social Network Analysis, NLTK [Hands-on] ⚫ e-crime ⚫ Plotly / Highcharts / Geo-location analysis [Hands-on] ⚫ Identity resolution ⚫ What next – Deep learning, machine learning, NLP, Image analysis 10

11. Different crimes on OSM ⚫Phishing ⚫Fake X ⚫Social reputation: Fake followers / Crowdturfing ⚫Clickbaiting ⚫Account compromise ⚫Account impersonation ⚫Work form home scam ⚫… 11

12. 12 ⚫Act of tricking someone into handling over her login credentials in order to exploit personal information Phishing

13. Phishing ⚫Facebook Technical Support sent you a notification ⚫Facebook new login system ⚫….. ⚫Facebook credentials being important now! 13

14. Fake customer service accounts 14

15. Fake comments on popular posts 15

16. Fake live streaming videos 16

17. Fake online discounts 17

18. Fake online surveys and contests 18

19. Advertising / Marketing Scam / Phishing Foursquare Spam: Fake Tip

20. Social reputation 20

21. Social reputation manipulation 21

22. Clickbaiting 22

23. # hijacking 23