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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Cloud links, wireless radios and the per-interface rule in ISASecure ICSA
In ISASecure ICSA, cloud and wireless links are ordinary accessible interfaces. How the per-interface rule and the untrusted-network declaration set the effort.
IIoT vulnerability testing: how ISASecure ICSA's two tiers set the pass threshold
ISASecure ICSA vulnerability testing: Core must address critical and high findings, Advanced adds medium. One scan, two filters; a pass is never zero findings.
Independent testing in ISASecure ICSA: the 47 requirements the lab exercises
ISASecure ICSA flags 47 of its 182 functional requirements for testing by the lab itself, 40 of them at Core. What the flag means and what to prepare.
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