Making Light an active part of security.

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Extend your security perimeter by seeing what is coming when they are still far away.

Let whomever or whatever is coming know that they have been seen.

Stop a physical security breach before it happens.

Make it impossible for the task to be completed- force a decision to give up the effort and to choose a softer target.

Make a breach of physical security harder.

Make the effort cost more, and take longer.

Make the successful breach doubtful, and make the consequences of failure more likely.

Take away time.

Force any effort to breach physical security to take longer than was planned.

When they slow down to dodge, or hide, or choose a new path, they give away time.

That time is given to people and systems as they attempt to respond to an attempted breach.