INFORMATION REVELATION AND PRIVACY IN ONLINE

SOCIAL NETWORKS (THE FACEBOOK CASE)

Rachid Hamcha2537953

IMM

STRUCTURE

• Introduction

• Information Revelation And On- Line Social Networking

• The Facebook.com

• Privacy implications

• Conclusions

INTRODUCTION

• Evolution of online networking

INFORMATION REVELATION AND ON- LINE SOCIAL NETWORKING

• Social Network Theory and Privacy

• Privacy Implications

THE FACEBOOK.COM

• CMU 4540 profiles

THE FACEBOOK.COM

• Types and Amount of Information Disclosed• 90.8% ->image• 87.8% ->reveal their birth date• 39.9% list a phone number• Summer Job and political preference very low

THE FACEBOOK.COM

• Data Validity and Data Identifiability • Profile Names • Identifiability of Images on Profile • Friends Networks

THE FACEBOOK.COM

• Data Visibility and Privacy Preferences • Profile Searchability • Profile Visibility • Facebook Data Access

PRIVACY IMPLICATIONS

• Stalking • Building a Digital Dossier • Fragile Privacy Protection

• Fake Email Address • Manipulating Users • Advanced Search Features

CONCLUSIONS

• Large amounts of personal information in an online social network• Unconcerned to privacy risks• Limiting privacy preferences are hardly used• Only a small number of members change the default privacy settings• Based on the information they provide online, users expose themselves to

various physical and cyber risks