Definitions Edit

A physical security perimeter (PSP) is

the physical border surrounding computer rooms, telecommunications rooms, operations centers, and other locations in which critical cyber assets are housed and for which access is controlled.
[t]he physical border surrounding locations in which BES Cyber Assets, BES Cyber Systems, or Electronic Access Control or Monitoring Systems reside, and for which access is controlled.[1]

References Edit

  1. NERC, Glossary of Terms Used in NERC Reliability Standards 53 (Feb. 13, 2014) (full-text).

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