本文件提供了变电站网络安全的技术要求。它提供了可靠的工程实践，可用于实现自动化、保护和控制系统的高水平网络安全，而不受网络资产的电压等级或关键性的影响。网络安全包括对动态数据、静态数据和事件响应的信任和保证。

This document provides technical requirements for substation cybersecurity. It presents sound engineering practices that can be applied to achieve high levels of cybersecurity of automation, protection, and control systems independent of voltage class or criticality of cyber assets. Cybersecurity includes trust and assurance of data in motion, data at rest, and incident response.