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The industrial process can be delicate, with a fault in even the most insignificant stage leading to a major failure. With this mindset and the human propensity for error, you might believe operators are the most likely to cause a problem.However, embedded systems that drive functionality in production machines pose a major security risk in the modern industrial age. Why is this the case? The answer might surprise you.
Why are Embedded Systems Vulnerable ?
Working in production, manufacturing, or any other facet of the industry requires a solid knowledge of the tools used daily. Machines always break down, but not every fault might be mechanical. If you notice a problem with the embedded system, you might need to call an embedded systems expert.
But, it helps to understand what could cause a fault in the framework that manages your industrial machines. Here are some common causes of vulnerability in embedded systems.
Lack of Regular Updates
Embedded systems are unique in operation, down to the way the systems are handled. Patching faults in the system must be manual and intentional because they are designed to run autonomously, disconnected from any central network.
This means that embedded systems are prone to develop faults that would have otherwise been easily prevented with a firmware or software update.
Interaction With Third-Party Components
The machines used in production very rarely operate alone. They are usually just a part of a much larger process. As such, different machines tend to interact with one another. Through these interactions, the embedded systems could develop a fault not anticipated by the manufacturer.
The Impact of Cyber Attacks on Industrial Embedded Systems
As established in the previous section, industrial machines managed by embedded systems are prone to faults. While some of these might develop accidentally, the lack of security on these systems leaves them prone to cyber-attacks.
Even the simplest of attacks could severely impact efficiency and productivity in a plant. It could lead to system shutdown and cause overheads the longer the fault is left unsettled.
Best Practices for Securing Embedded Systems
The best approach to embedded system security, considering the risks of a breach, would be to ensure that certain factors are in place during usage. Ensure your embedded system is built using safe languages with cybersecurity capabilities. Languages like C++ and Rust are low-level enough to provide adequate resource control and work well with security solutions.Review the user manual and check for a secure system startup function built into machine operation. This will ensure that firmware runs in a safe region of the microprocessor.Combine these methods with other best practices, and you can significantly minimize the risk or the consequences of an embedded system breach.
ECRIN Systems’ Approach to Embedded Cybersecurity
ECRIN leverages its 40 years of experience in industrial computing and embedded systems to provide secure products and experts that can handle any security challenges you can throw at them. Their approach includes some of the best practices listed above and much more.
Conclusion
Cost and benefit extend beyond the physical now. You must also consider the software powering the machines in every production stage. Be aware of this and take action if you notice any security concerns in the embedded systems that drive your manufacturing process.
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