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+ | == Computer systems == |
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| − | === Computer systems === |
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'''Perimeter security''' refers to [[router]]s, [[firewall]]s, and [[intrusion detection system]]s implemented to tightly control [[access]] to [[network]]s from outside sources.<ref>Criminal Intelligence Glossary (Nov. 2004).</ref> |
'''Perimeter security''' refers to [[router]]s, [[firewall]]s, and [[intrusion detection system]]s implemented to tightly control [[access]] to [[network]]s from outside sources.<ref>Criminal Intelligence Glossary (Nov. 2004).</ref> |
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| − | + | == Physical security == |
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'''Perimeter security''' includes, but is not limited to fences, walls, fully enclosed buildings, entrance gates or doors, vehicle barriers, lighting, landscaping, [[surveillance]] systems, alarm systems, and guards. Physical security may also include site entry and exit logging as well as room or area logging possibly through a [[keycard]] [[access]] [[system]]. |
'''Perimeter security''' includes, but is not limited to fences, walls, fully enclosed buildings, entrance gates or doors, vehicle barriers, lighting, landscaping, [[surveillance]] systems, alarm systems, and guards. Physical security may also include site entry and exit logging as well as room or area logging possibly through a [[keycard]] [[access]] [[system]]. |
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| − | == Overview (Physical security) == |
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| − | "Perimeter security is one of the first lines of defense for protecting a facility and its internal systems. A breach of this perimeter can lead to the [[compromise]] of . . . [[system]]s."<ref>[[Cybersecurity Procurement Language for Energy Delivery Systems]], at 31.</ref> |
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== References == |
== References == |
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