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3
Data Security and Privacy
3.1 INTRODUCTION
As we stated in Chapter 1, secure social media integrates social media technologies with secu-
rity technologies. We discussed social media systems in Chapter 2 of this book. In this chapter,
we will discuss security technologies. In particular, since much of the discussion in this book is
on social data analytics and security, we will provide a fairly comprehensive overview of access
control in data management systems. In particular, we will discuss security policies and enforcing
the policies in database systems. Our focus will be on discretionary security policies. We will also
discuss data privacy ...