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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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Security levels10Tiers (Core / Advanced)5Device & component types9Assessment streams6Testing & verification11Evidence & artifacts16Independent testing5Maturity levels4Sampling1Scope & boundaries16Surveillance & maintenance4Certification process20Common component constraints (CCSC)1Cost & effort3Comparisons4Roadmaps & readiness1
2 articles match your filters
CSAIntroductory
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.
Sep 8, 20268 min readRead
ICSAIntroductory
What ISASecure ICSA certification actually evaluates
ISASecure ICSA certifies IIoT devices and gateways against IEC 62443-4-2: 182 requirements, two device types, a Core or Advanced tier and a maintenance audit.
Sep 8, 20268 min readRead
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