IEEE 1711

IEEE 1711 is a draft trial use standard that addresses a cryptographic protocol for cyber security of substation serial links. It is relevant to power, energy, and industrial applications where serial communications between substation devices need stronger protection against interception, tampering, and unauthorized access. By defining a common security approach for these links, the standard supports more consistent implementation and helps improve communication trust in operational environments.

About IEEE 1711

IEEE 1711 focuses on the technical requirements for applying cryptographic protection to substation serial links. In practical terms, it is intended to guide secure data exchange between equipment that may rely on legacy or specialized serial communications within electrical substations. The standard is useful where cybersecurity needs must be balanced with operational reliability and interoperability. As a draft trial use document, IEEE 1711 reflects an approach to securing critical communications in a controlled, standards-based way.

Where is IEEE 1711 used?

This standard is mainly relevant in substations and related power-system communication environments where serial links connect control, protection, or monitoring equipment. It may be applied in utility operations, substation automation, and industrial power facilities that depend on secure point-to-point or similar serial communication paths. IEEE 1711 is especially useful when engineers need to protect commands, status data, or configuration traffic traveling between field devices, communication gateways, and supervisory systems.

Importance in practice

In practice, IEEE 1711 helps organizations define a security baseline for substation serial communications, which can reduce risk in critical infrastructure settings. It supports design consistency, procurement decisions, and verification of cryptographic behavior across equipment from different vendors. Using a standard approach can also simplify compliance efforts and help teams evaluate whether security controls are suitable for operational use. For facilities that still rely on serial links, this kind of specification can be important for managing cyber exposure without disrupting established workflows.

• Cryptographic protection for serial links
• Substation communication security
• Utility and power-system applications
• Control, protection, and monitoring traffic
• Draft trial use technical guidance