About this Framework
IEC 62443 is a multi-part international standard addressing cybersecurity for industrial automation and control systems (IACS) across all sectors — manufacturing, energy, water, oil & gas and critical infrastructure. It defines roles for Asset Owners, System Integrators and Product Suppliers with security levels (SL 1–4), covering security management systems, risk assessment, system security design and component security requirements. Widely mandated under the EU NIS2 Directive, referenced in NERC CIP and U.S. critical infrastructure frameworks.
Key Control Domains
Security Management System (ISMS for IACS)
IACS Security Risk Assessment
Security Levels (SL 1–4)
Security Zones & Conduits
System Security Requirements & Architecture
Component Security Requirements
Software Development for Industrial Systems
Patch Management
Secure Remote Access
OT/IT Supply Chain Security
Who Needs This?
- Industrial control system owners and operators
- SCADA and DCS system integrators
- OT security teams in energy, manufacturing and utilities
- ICS/SCADA product and component manufacturers
- Critical infrastructure operators under NIS2 or NERC CIP obligations
Compliance Benefits
- Internationally recognised OT/ICS security standard
- Addresses EU NIS2 Directive compliance for industrial operators
- Defines security accountability across the OT supply chain
- Maps to NIST SP 800-82 for U.S. critical infrastructure alignment
Official Reference
IEC 62443 Standard — IEC Official Site
https://www.iec.ch/
Assessment Details
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