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NERC Reliability Standard Audit Worksheet
Selected Glossary Terms The following Glossary terms are provided for convenience only. Please refer to the NERC web site for the current enforceable terms.
Removable Media
Storage media that:
1. are not Cyber Assets, 2. are capable of transferring executable code, 3. can be used to store, copy, move, or access data, and 4. are directly connected for 30 consecutive calendar days or less to a: • BES Cyber Asset, • network within an Electronic Security Perimeter (ESP) containing high or medium impact BES Cyber Systems, or • Protected Cyber Asset associated with high or medium impact BES Cyber Systems. Examples of Removable Media include, but are not limited to, floppy disks, compact disks, USB flash drives, external hard drives, and other flash memory cards/drives that contain nonvolatile memory.
Transient Cyber Asset
A Cyber Asset that is: 1. capable of transmitting or transferring executable code, 2. not included in a BES Cyber System,
3. not a Protected Cyber Asset (PCA) associated with high or medium impact BES Cyber Systems, and 4. directly connected (e.g., using Ethernet, serial, Universal Serial Bus, or wireless including near field or Bluetooth communication) for 30 consecutive calendar days or less to a: • BES Cyber Asset, • network within an Electronic Security Perimeter (ESP) containing high or medium impact BES Cyber Systems, or • PCA associated with high or medium impact BES Cyber Systems. Examples of Transient Cyber Assets include, but are not limited to, Cyber Assets used for data transfer, vulnerability assessment, maintenance, or troubleshooting purposes.
NERC Reliability Standard Audit Worksheet Audit ID: Audit ID if available; or REG-NCRnnnnn-YYYYMMDD RSAW Version: RSAW_CIP-003-7_2019_v1 Revision Date: May 14, 2019 RSAW Template: RSAW2018R4.0 18
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