Redundancy Is A Good Thing!

Why have one when you can have two or three?! More always sounds better than one right? When it comes to IT Security, you can never have enough protection. At least that is my attitude towards the topic. For example, I know in the networking world, you never have just one switch, and one router, supporting hundreds of end users. You want to have multiple routers and switches that are redundant, so when one goes out, you have those others to pick up the slack and take care of the flow of traffic. The same concept can be said for IT Security. This week in my class we learned about defense-in-depth. The defense-in-depth strategy is the idea of having multiple layers of protection from the outskirts of the network to the end user. Each layer needs to have protection and redundant protection technologies. For example, I would not rely simply on one firewall on the edge of a network. Have multiple, lighten the work load, configure one firewall for a certain subnet, and have another configured to another. There is nothing wrong with having multiple layers of defense!

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