A little old, but still some very useful advice, for example: "Waiting until the last stages of the design process to begin thinking about security system requirements can spell trouble for budgets and construction schedules, and is a sure way to guarantee that the system installed will be less than optimal.
Without attempting to make a complete list of the security-related issues architects should be aware of at the outset of a design, let us mention several of the most important. First, effective security is always an interplay of three elements: natural and architectural barriers, including anything from landscaping strategies that discourage access, to the number, location, size, and type of doors and windows; human security, including the protection provided by guards and other personnel; and electronic security, provided by any one of the array of systems now available.......... "
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