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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SDLA certificate validity and recertification: how an ISASecure SDLA certificate is kept
How long an ISASecure SDLA certificate lasts, 36 or 12 months, how a recertification audit renews it, and why the scheme has no surveillance or suspension.
IEC 62443-4-1 defect and update management: the SDLA practices product certifications come back to
How ISASecure SDLA evaluates IEC 62443-4-1 defect and update management: 15 rows, most seen only in the process audit, and the four requirements ICSA revisits.
IEC 62443-4-1 security guidelines and hardening: the SDLA practice with the most minimum requirements
ISASecure SDLA and the IEC 62443-4-1 security guidelines practice: 7 requirements, 17 rows, 10 minimum requirements, no mandatory artifacts, examined twice.
What is ISASecure SDLA, and what does the certificate actually certify?
ISASecure SDLA certifies a development organisation and a versioned development process against IEC 62443-4-1: eight practices, 47 requirements, no levels.
Have a product or system to certify?
Talk to the assessors who wrote these articles about what applies to you.