After the articles “IEC 61850 Standard, all for one and one for all” and “Multicast security in IEC 61850”, it is useful to add more information about the cybersecurity guidelines set out in the IEC 62351 standard with respect to the GOOSE protocol. An explanation will be made of the operation of the protocol, the weaknesses it presents and the appropriate security measures to protect it against possible attackers.
In recent years there has been an increase in interconnectivity between devices thanks to the Internet of Things (IoT). This has affected all sectors, including industry, which has been involved in an era of connectivity of industrial devices. This concept is known as the Industrial Internet of Things (IIoT).