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<v ->In this short section of the course,</v>



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we're going to cover a few really important security protocols.



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Including things like S/MIME for email,



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SSL and TLS for web,



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Secure Shell for remote control of a computer,



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and VPNs for securing those remote connections.



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This section is going to be fairly short,



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as I said, but the concepts are important,



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so I don't want you to skip it.



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Now, let's get started.



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(electronic music)