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How ACSSA assesses IEC 62443-2-1 requirements: 89 composite verdicts from four standards
How ISASecure ACSSA folds IEC 62443-2-4, 3-2 and 3-3 results into one composite verdict per IEC 62443-2-1 requirement, and what makes a verdict fail.
Read moreAfter the certificate: ACSSA surveillance in years one and two, recertification in year three
How an ISASecure ACSSA certificate stays valid: 36 months, surveillance in years one and two, recertification in year three, nonconformities and suspension.
Read moreIEC 62443-2-1 audit evidence in an ACSSA evaluation: documents, interviews and inspection, never testing
How an ISASecure ACSSA evaluator gathers evidence on an installed IACS: documents, interviews and configuration inspection, never testing or device access.
Read moreNeed Expert Guidance?
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