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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How ACSSA assesses IEC 62443-2-1 requirements: 89 composite verdicts from four standards
How ISASecure ACSSA folds IEC 62443-2-4, 3-2 and 3-3 results into one composite verdict per IEC 62443-2-1 requirement, and what makes a verdict fail.
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.
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 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.
IEC 62443-3-3 requirements: how ISASecure SSA evaluates all 100 clauses in FSA-S
ISASecure SSA's FSA-S stream covers every clause of IEC 62443-3-3: 51 system requirements and 49 enhancements, laid out as 116 rows and scored zone by zone.
What ISASecure SSA certification actually evaluates
ISASecure SSA certifies a control system as sold against IEC 62443-3-3, with a capability security level per zone. Four elements, 116 functional rows: the map.
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