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International voluntary technical specification · publicly available specification

IEC PAS 62443-2-2:2025 — IACS security protection scheme

The specification provides guidance for developing, validating, operating, and maintaining a set of technical, physical, and process security measures for IACS facilities.

What the authority record establishes

The specification provides guidance for developing, validating, operating, and maintaining a set of technical, physical, and process security measures for IACS facilities.

Not law by itself

The exact official title, issuing body, jurisdiction, version or application record, and linked source define the scope of this page. Readers should not transfer the authority's status to a commercial product or infer transaction-, patient-, system-, site-, or organization-specific applicability from this summary.

Why it matters to this market

It focuses the buyer on a maintained protection scheme rather than an isolated product or control purchase.

Affected operating stages

  • Design
  • Validation
  • Operation
  • Maintenance
  • Review

Capabilities to examine

Network Segmentation Policy Modeling

Ask how the system or service identifies the controlling source and version, applies customer-specific interpretation, handles exceptions, preserves human judgment, and retains evidence for network segmentation policy modeling.

Industrial Firewall And Policy Enforcement

Ask how the system or service identifies the controlling source and version, applies customer-specific interpretation, handles exceptions, preserves human judgment, and retains evidence for industrial firewall and policy enforcement.

Secure Remote Access And Vendor Session Control

Ask how the system or service identifies the controlling source and version, applies customer-specific interpretation, handles exceptions, preserves human judgment, and retains evidence for secure remote access and vendor session control.

Privileged Access, Credential, And Identity Governance

Ask how the system or service identifies the controlling source and version, applies customer-specific interpretation, handles exceptions, preserves human judgment, and retains evidence for privileged access, credential, and identity governance.

Endpoint Allowlisting And Malware Prevention

Ask how the system or service identifies the controlling source and version, applies customer-specific interpretation, handles exceptions, preserves human judgment, and retains evidence for endpoint allowlisting and malware prevention.

Compliance Mapping And Control Evidence

Ask how the system or service identifies the controlling source and version, applies customer-specific interpretation, handles exceptions, preserves human judgment, and retains evidence for compliance mapping and control evidence.

Incident Response And Recovery Support

Ask how the system or service identifies the controlling source and version, applies customer-specific interpretation, handles exceptions, preserves human judgment, and retains evidence for incident response and recovery support.

Affected buyer audiences

  • asset owners
  • system integrators
  • security architects
  • assurance teams

Implementation questions

  • Which entities, products, populations, transactions, systems, sites, or jurisdictions are actually within scope?
  • What is binding, what is guidance, and what is a technical or consensus standard?
  • Which publication, adoption, effective, application, transition, and enforcement dates differ?
  • Who owns legal, clinical, quality, regulatory, policy, or operational interpretation?
  • How will a source revision affect open work and historical decisions?

Interpretation boundary

The specification guides a protection scheme; a product feature or vendor mapping does not establish its adequacy or validation.