Security in Layers
The first thing to understand is that security is not defined in absolutes. There is no such thing as a perfectly secure computer system. It is often said that the most secure computer is one that is turned off. How useful is that? Even still, is it secure against a hammer or a cruise missile? Protecting a wireless network is like protecting a car. You can put The Club on your steering wheel. You can even hire a 24-hour armed guard. But if somebody out there has enough time and energy, then your assets are at risk. Always keep in mind that security is a task performed in layers. Sometimes it's as simple as turning a feature on or off, but most of the time, security requires delicate balance and judgment.
The number of security ...
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