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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CCSC explained: the four IEC 62443-4-2 constraints that apply to every component
IEC 62443-4-2 has a second axis beyond the seven foundational requirements: four common component security constraints. What each means for a CSA certificate.
SDA-C, FSA-C and VIT-C: what each ISASecure CSA assessment stream proves
The ISASecure CSA assessment process, stream by stream: what SDA-C, FSA-C and VIT-C each prove, the five result outcomes, the pass rule and the certificate.
CSA security levels 1 to 4: what each level actually adds
IEC 62443 security levels explained through ISASecure CSA: what SL 1 to SL 4 are built to resist, how many requirements each adds, and how to pick a target.
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.
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