GOOD SECURITY FOR physical assets is worth having but generally expensive. Questions of affordability often turn on what level of protection is needed or wise. Cheapest is a locked door on an anonymous building. Most expensive is an armed guard with a salesmen’s eloquence for articulating risk.
One day soon patrolling will largely be done by robots, but I suppose there will always be the need for the assurance of a person to watch the sentinels, whether they be guards or cameras. Mostly nothing happens, and