Programmable electronic devices and communication networks including hardware, software and data.

Bulk Electric System (BES) Cyber Asset

A cyber asset which, if lost, damaged or misused would within 15 minutes affect the reliable operation of the grid. Redundancy of affected facilities is not considered when determining adverse impact. The definition excludes assets connected to the grid for 30 consecutive days or less that are used for data transfer, vulnerability assessments, maintenance, or troubleshooting.