Apparatus and methods for intrusion protection in safety instrumented process control systems are disclosed. An example method of protecting a safety instrumented system includes receiving legitimate information from a component of a process control system wherein the legitimate information is intended...http://www.google.fr/patents/US8074278?utm_source=gb-gplus-shareBrevet US8074278 - Apparatus and methods for intrusion protection in safety instrumented process control systems
Apparatus and methods for intrusion protection in safety instrumented ...
