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6
Analyzing and Securing
Social Networks
6.1 INTRODUCTION
Online social networks (OSNs) have gained a lot of popularity on the Internet and become a hot
research topic attracting many professionals from diverse areas. Since the advent of OSN sites like
Facebook, Twitter, and LinkedIn, OSNs continue to inuence and change every aspect of our lives.
From politics to business marketing, from celebrities to newsmakers, everyone is hooked on the
phenomenon. Facebook is used to connect with friends and share various personal and professional
data, as well as photos and videos. LinkedIn is entirely a professional network that is used to con-
nect to ...