مدونة QIMA - الامتثال والجودة والأبحاث

IEC 62443-4-1 vs. ETSI EN 303 645: Which Security Baseline Fits Your Product?

5 أكتوبر 2026

If you build connected products, you have probably been told you need to comply with IEC 62443 or ETSI EN 303 645 , or possibly both. The two standards get lumped together in compliance checklists as though they were interchangeable.