ISASecure and IEC 62443, explained with the numbers
What each certification program actually evaluates, how the security levels and device types change the scope, and where the common points of confusion come from — written by the assessors who run these evaluations.
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The four IEC 62443-4-2 component types, and why the type determination decides your CSA scope
Software application, embedded device, host device or network device: which IEC 62443-4-2 component types apply to your product, and how they set CSA scope.
What ISASecure CSA certification actually evaluates
ISASecure CSA certifies a component against IEC 62443-4-2: 166 functional requirements, four component types, three assessment streams and one security level.
What it takes to reach SL 3 in ISASecure CSA, by component type
Moving from SL 2 to SL 3 in ISASecure CSA adds 23 IEC 62443-4-2 requirements, 22 of them enhancements. What the step costs by component type and by FR.
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