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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
SSAIntermediate
One certificate, several levels: how ISASecure SSA assigns a capability security level per zone
How ISASecure SSA assigns an IEC 62443 capability security level to each zone of a system, why one certificate can carry several levels, and how to specify it.
Sep 8, 20268 min readRead
SSAIntermediate
ISASecure SSA vulnerability testing: the scan where each zone sets its own pass threshold
How VIT-S works in ISASecure SSA: one known-vulnerability scan of every IP-addressed component, with the pass threshold set per component by its zone's level.
Sep 8, 20268 min readRead
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