To enhance the cybersecurity protection capabilities of power monitoring systems

a security reinforcement middleware for interal unidirectional safety isolating device for electric power has been designed.This middleware integrates compatibility adaptation

file format correction

encryption authentication

load balancing

and access control functions

addressing the security issues such as business system compatibility

hardware failures

and plaintext communication faced by isolation devices during the upgrading and reinforcement process. It enhances the security control of data transmission channels in power monitoring systems and achieves an “efficient and unobtrusive” and “standardized” security upgrade and reinforcement of the isolation devices. This middleware has been successfully applied to all thermal power

hydropower

and new energy power stations of Huaneng Group

strengthening the cybersecurity boundary protection capabilities of critical information infrastructure in power monitoring and ensuring the information security of power production.