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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CSA vs ICSA: which ISASecure scheme fits your device
CSA certifies the four IEC 62443-4-2 component types by security level; ICSA certifies IIoT devices and gateways by Core or Advanced tier. How to choose.
The SDLA prerequisite for CSA, ICSA and SSA: one process audit, three product schemes
ISASecure CSA, ICSA and SSA each require a valid SDLA certificate. What the process audit settles once, what every product scheme re-checks, and how to plan.
IEC 62443-4-1 process audit: the 23 SDLA rows no product evaluation examines
23 ISASecure SDLA-312 rows are checked only in the SDLA process audit, on Perseus's reading of its activity columns: defect handling, coding rules, pen testing.
How to read an ISASecure SSA certificate and report: zones, levels and user-enforced mitigations
How to read an ISASecure SSA certificate and its SSA-303 report: capability levels per zone, the ten report sections, and the mitigations the user must apply.
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