High-capacity oil and gas pipelines are very volatile and often span thousands of kilometers. The pump stations along the pipeline are equipped with analyzers and PLCs. The company found it challenging to maintain a stable network connection between the stations and the remote SCADA system because the PLCs and I/O devices lacked security features. In order to enhance industrial cybersecurity, the company started by strengthening its security policy to ensure that it was based on the IEC 62443 standard, which requires each networking device to be equipped with enhanced security features.