IoT Security Maturity Model: ISA/IEC 62443 Mappings for Asset Owners, Product Suppliers and System Integrators An Industry IoT Consortium and ISA Whitepaper 2023-08-09 Authors Eric Cosman (OIT Concepts), Jim Gilsinn (Dragos), Frederick Hirsch (Upham Security), Pierre Kobes (Kobes Consulting), Ekaterina Rudina (Kaspersky), Ron Zahavi (Microsoft).