VIRTUAL PRIVATE NETWORK (VPN) is a general industry term that actually covers many different technologies. Anyone who works in a large company and needs to access a corporate network remotely will probably confirm using a VPN to connect to the network for email, intranet, and other corporate applications. Ask anyone how that VPN works, however, and you will almost always get a blank stare. End users are typically interested only in the result of a solution, not in how it works. For you, the information security practitioner, however, just how a VPN works is as important as the ...
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