These days it seems as if we are hearing about new cybersecurity threats to industrial operations nearly every month. Whether it is a ransomware attack, an outage due to malware, or an attack via a new, unanticipated vector, the risks associated with a cyberattack can...
security
Defense-in-depth Approach Helps Prevent Unauthorized Changes in Safety Logic
One of the main concerns from users of process safety systems is how to effectively protect the SIS against unauthorized changes of the safety logic. The traditional protection approach is based on a key switch on the safety PLC; before somebody can alter the safety...
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