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Do we feel safe yet?
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Industry guidance (IEC 61508 and 61511) is well developed and understood.
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Risk based approach well accepted
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Some shortfalls, but we understand them and can work with them.
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Methodologies well established
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Integrity determination and verification
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Safety Lifecycle
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Application is widespread within the process industries
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Some pockets of ignorance
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Functional Safety is well established as a discipline
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Providing confidence that we are managing risk to industry accepted levels of tolerability
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BUT: New Threats – Process control systems security
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E.g. Stuxnet, Night Dragon