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LESSON 9 – E-MAIL SECURITY
9.0 Introduction
Everyone uses e-mail. It is the second most used application on the internet next to your web
browser. But what you might not realize is that a significant portion of network attacks and
compromises originate through e-mail. And with respect to your privacy, misuse of e-mail has
the potential to disclose either the contents of your message, or give a spammer information
about you. The purpose of this module is to give you information on how e-mail works, safe e-
mail usage, e-mail based attacks, and security strategies for e-mail.
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