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Underlying Drivers for increased need for Security
The drivers for Industrial Automation also apply for Safety Instrumented Systems
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Horizontal and
vertical integration
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Open standards
•
PC-based systems
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COTS equipment
Other SIS challenges
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Integration of Control and Safety
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Safety Systems are low demand mode
•
Aging installed base
Information technologies are
used in industrial automation
Increased security threats demand action
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Sabotage of the Process Plant Safety Systems
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Manipulation of data or application software
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Loss of Operator Interface
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Loss of Safety Function
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Spurious trips
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Common mode failures BPCS and SIS
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Compliance with standards and regulations is required