by Eugeniusz Wypior | 20 January 2022 | Blog-EN, Newest post
Eugene Wypior The Top 20 Secure PLC Coding Practices. Part 18 – Log PLC uptime and trend it on the HMI Log PLC uptime to know when it’s been restarted. Trend and log uptime on the HMI for diagnostics. Security Objective Target Group Monitoring Integration /...
by Eugeniusz Wypior | 12 January 2022 | Blog-EN, Newest post
Eugene Wypior The Top 20 Secure PLC Coding Practices. Part 17 – Summarise PLC cycle times and trend them on the HMI Summarize PLC cycle time every 2-3 seconds and report to HMI for visualization on a graph Security Objective Target Group Monitoring Integration /...
by Eugeniusz Wypior | 5 January 2022 | Blog-EN, Newest post
Eugene Wypior The Top 20 Secure PLC Coding Practices. Part 16 – Define a safe process state in case of a PLC restart Define safe states for the process in case of PLC restarts (e.g., energize contacts, de-energize, keep the previous state) Security Objective...
by Eugeniusz Wypior | 23 December 2021 | Blog-EN, Newest post
Eugene Wypior The Top 20 Secure PLC Coding Practices. Part 15 – Restrict third-party data interfaces Restrict the type of connections and available data for 3rd party interfaces. The connections and/or data interfaces should be well defined and restricted to...
by Eugeniusz Wypior | 15 December 2021 | Blog-EN, Newest post
Eugene Wypior The Top 20 Secure PLC Coding Practices. Part 14 – Disable unneeded / unused communication ports and protocols PLC controllers and network interface modules generally support multiple communication protocols that are enabled by default. Disable...
