Register
OT Asset Inventory and Lifecycle Register
This register defines the schema, governance, classification, and lifecycle model for the organization's Operational Technology (OT) asset inventory. The OT asset inventory is the authoritative record of all OT hardware, firmware, software, network components, and supporting infrastructure within scope of the OT/ICS Security Standard (operations/ot/standard-ot-ics-security.md).
- Type
- Register
- Version
- 1.0.4
- Date
- 2026-10-27
- Owner
- Chief Information Security Officer
- Approving authority
- Governance Library Maintainer
- Classification
- Public
- Confidentiality
- Public
- Category
- Operations: Operational Technology
- Review frequency
- Annual and upon material change to IEC 62443-2-1, NIST SP 800-82 Rev. 3, or material change to OT estate composition
- Licence
- CC BY-SA 4.0
Read the full text on GitHub (opens in a new tab)
Outline
- 1. Purpose
- 2. Scope
- 3. Roles and accountability
- 4. Inventory governance principles
- 5. OT asset classification
- 6. OT asset record schema
- 7. Lifecycle states
- 8. Inventory operations
- 9. Retention
- 10. Metrics
- 11. Framework alignment
- 12. Cross-reference summary
Frameworks it maps to
- IEC 62443-2-1
- IEC 62443-3-2
- IEC 62443-3-3
- NIST SP 800-82 Rev. 3
- ISO/IEC 27001:2022
- ISO/IEC 27019:2024
- NERC CIP-002
- NERC CIP-010
- IEC 61511
- EU NIS 2
- TSA Pipeline Security Directive
Related documents
- operations/
ot/ sourceREADME.md (opens in a new tab) - Operational Technology Security Overview Annexoperations
- OT/ICS Security Standardoperations
- OT Incident Response Procedureoperations
- OT Change Management Procedureoperations
- Asset Inventory Registeroperations
- Patch Management Procedureoperations
- Vulnerability Management Proceduresecurity
- Supplier Due Diligence Proceduresupply-chain
- IT Disaster Recovery Planresilience
- Canonical Citations Registergovernance
- Glossary and Acronym Indexgovernance
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