Safety Hazards in Industrial Control Systems: Common Logic Vulnerabilities in PLC Programs and Security Reinforcement Measures

Safety Hazards in Industrial Control Systems: Common Logic Vulnerabilities in PLC Programs and Security Reinforcement Measures

The safety issues in industrial control systems should not be underestimated. In my over ten years of maintenance experience with industrial control systems, I have found that many factory PLC programs have security vulnerabilities. These seemingly minor flaws can lead to equipment damage, production interruptions, and even safety accidents. Today, I will share common logic … Read more

Implementation Plan and Best Practices for Level Protection in Siemens PLC Industrial Control Systems

Implementation Plan and Best Practices for Level Protection in Siemens PLC Industrial Control Systems

The security of industrial automation systems is a key focus in the modern industrial control field, especially for industrial control systems involving Siemens PLCs. How to implement level protection (referred to as “level protection”) has become an unavoidable topic for engineers.This article will interpret how to implement level protection requirements in Siemens PLC systems from … Read more

What is an Industrial Control System

What is an Industrial Control System

Industrial Control Systems (ICS) are automation control systems used in industrial production, manufacturing processes, and facility management, designed to achieve real-time monitoring, control, and optimization of production processes.ICS are core components for achieving automation, improving production efficiency, ensuring safety, and reducing manual intervention. They are widely used in industries such as oil, chemicals, electricity, metallurgy, … Read more

A Decade of Vigilance: Safeguarding Industrial Control System Security Against the Resurgence of Stuxnet

A Decade of Vigilance: Safeguarding Industrial Control System Security Against the Resurgence of Stuxnet

【Introduction】Today marks the tenth anniversary of the “Stuxnet” virus.Since its first attack in 2009, this virus, known as a “super destructive weapon,” has been in a decade-long game of cat and mouse with global industrial control systems.If we consider a decade as a cycle, then in this era where “cyber warfare” could erupt at any … Read more

Five Key Lessons from Attacks on Industrial Control Systems

Five Key Lessons from Attacks on Industrial Control Systems

Attacks on Industrial Control Systems are becoming increasingly frequent, yet they lack novelty. Imagine it is 1903, and you are standing in front of a large inn on a remote peninsula in Poldhu, Cornwall, England. Despite the large antenna next to the inn and a large kite occasionally lifting the antenna higher, you might not … Read more

Basics of PLC Programming: A Beginner’s Guide to Ladder Diagrams

Basics of PLC Programming: A Beginner's Guide to Ladder Diagrams

I really can’t stand those newcomers in the industry who ask the most ridiculous questions every day. Just yesterday, a guy came to me with a textbook asking why his ladder diagram program wasn’t working. When I opened it, it was a mess of logical relationships, and he couldn’t even distinguish between normally open and … Read more

Expert Insights on the Current Situation and Protective Strategies for Industrial Control System Cybersecurity

Expert Insights on the Current Situation and Protective Strategies for Industrial Control System Cybersecurity

★ Yang Xuezhi, Xiao Wei, Zhao Yangguang, China Software Testing Center Abstract:Industrial control systems are a crucial foundation for the digital transformation of manufacturing and a significant driving force for new industrialization. In recent years, with the rapid development of computer technology, communication technology, and control technology, the traditional control field is undergoing an unprecedented … Read more

Risk Assessment of Ladder Diagrams: A Security Analysis Framework for Industrial Control Systems

Risk Assessment of Ladder Diagrams: A Security Analysis Framework for Industrial Control Systems

Click the blue text for more exciting information Once again, someone asked me about the safety of ladder diagrams, I really can’t believe it. Every time something goes wrong, they come to me only after the crisis has hit, if they had contacted me earlier, the workshop wouldn’t have had to stop production for three … Read more

Successful Conclusion of the 2025 Annual Academic Committee Meeting of the Key Laboratory for Safety and Reliability Assessment of Industrial Control Systems

Successful Conclusion of the 2025 Annual Academic Committee Meeting of the Key Laboratory for Safety and Reliability Assessment of Industrial Control Systems

On the afternoon of March 26, 2025, the 2025 Annual Academic Committee Meeting of the Key Laboratory for Safety and Reliability Assessment of Industrial Control Systems (hereinafter referred to as “Key Laboratory”) was grandly held in Beijing. The meeting was jointly organized by the China Electronics Information Industry Development Research Institute and China Huadian Corporation. … Read more