Layers in IT security
A layered security strategy is a good practice to enhance the overall IT security in companies. The essence of layered security is to implement security measures in different parts of the IT infrastructure.
This approach is comparable with physical security. If a burglar wants to steal money from your house, he has to go over the fence in the garden, than through an closed front door with locks, then he has to find the safe with the money, he has to break it open, get the money and leave the premises. All of this must be done without being seen or heard, and he must not be noticed by anyone during all these steps.
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