If you had to secure a new home against intruders on a limited budget, you might spend more money on the windows, doors and locks on the ground floor than upstairs. The rationale would be that the primary entry point is the ground floor, as it takes more effort to get a ladder and gain entry at the first or second floor level.

Is there an analogy here relating to all security systems? Should getting the primary level of security right--and then proceeding up the stack--be a key priority? I think so.

By Peter Cochrane at ZDNet.

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