More information on the ISA/IEC 62443 series of standards can be found on the ISA website. There you will find links to the following resources.
Published Standards and Technical Reports
ISA Cybersecurity Certificate Training Program
ISA Global Cybersecurity Alliance (ISAGCA) website
Quick Start Guide to ISA/IEC 62443
Guide to Security Lifecycles in ISA/IEC 62443
IACS Taxonomy Glossary
IACS Principal Roles and Responsibilities
Overview of ISASecure Certification for ISA/IEC 62443
IoT Security Maturity Model: 62443 Mappings for Asset Owners and Product Suppliers
ISASecure website for Supplier and Product Certification
This feature originally appeared in AUTOMATION 2024: 1st Annual OT Cybersecurity Trends Report.