IT Asset Management Policy Template ISO 27001

Standard Operating Procedure: ISO 27001 Asset Management Policy Implementation

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1. Executive Summary & Purpose

This Standard Operating Procedure (SOP) defines the operational mandates and governance framework for Information Asset Management at Template Registry. Aligned with ISO/IEC 27001:2022 (specifically Annex A.5: Information Security Policies, and Annex A.8: Technological Controls regarding Asset Management), this document establishes the lifecycle protocols for identifying, classifying, inventorying, protecting, and disposing of all organizational information assets. Compliance is mandatory for all personnel, contractors, and third-party vendors.

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2. Scope & Prerequisites

Scope

• Encompasses all physical, digital, intellectual, and human assets owned, leased, or processed by Template Registry, including cloud environments, on-premise hardware, SaaS subscriptions, source code repositories, and physical media.

Prerequisites & Tools

• Asset Discovery Engine: Automated network scanner (e.g., Lansweeper, Tenable.io).
• Configuration Management Database (CMDB): Centralized asset registry (e.g., Jira Service Management, ServiceNow).
• Identity and Access Management (IAM): Okta or equivalent for asset-to-owner mapping.
• Data Classification Matrix: Template Registry Data Governance Standard v3.1.
• Physical Safety Gear: ESD-safe wrist straps and anti-static mats for physical asset handling.

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3. Roles & Responsibilities

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4. Step-by-Step Procedure

Phase 1: Asset Discovery and Identification

• Initialize automated network scans across all cloud VPCs (AWS, GCP) and on-premise subnets every 24 hours.
• Reconcile cloud resource inventories against Terraform state files to capture shadow IT or unmanaged infrastructure.
• Require all new hardware acquisitions to be logged via procurement integration within 24 hours of delivery.
• Assign a globally unique identifier (GUID) and metadata tag (Owner, Environment, Classification) to every discovered asset.

Phase 2: Asset Classification and Valuation

• Evaluate every asset against the CIA triad (Confidentiality, Integrity, Availability) impact scale.
• Apply one of four formal classification tiers to the asset within the CMDB:
  • Public: Free for public consumption.
  • Internal: Restricted to Template Registry staff.
  • Confidential: Restricted to authorized personnel on a need-to-know basis.
  • Restricted (PII/IP): Strict regulatory compliance controls required; encryption at rest and in transit mandatory.
• Document the designated Asset Owner (individual accountable for the asset's lifecycle) in the CMDB record.

Phase 3: Operational Maintenance & Acceptable Use

• Verify that asset tracking metadata is audited and updated by Asset Owners on a quarterly cadence.
• Enforce Endpoint Detection and Response (EDR) and Mobile Device Management (MDM) agents on all hardware assets prior to network admission.
• Restrict the connection of unmanaged personal devices (BYOD) to isolated guest networks devoid of internal asset access.
• Conduct automated vulnerability assessments against all software and hardware assets weekly.

Phase 4: Asset Return, Decommissioning, and Disposal

• Initiate the asset decommissioning workflow immediately upon contract termination, hardware failure, or end-of-life (EOL) notification.
• Revoke all associated IAM entitlements, API keys, and service accounts tied to the asset.
• Sanitize digital storage media in accordance with NIST SP 800-88 Rev. 1 (Guidelines for Media Sanitization) standards (Clear, Purge, or Destroy).
• Execute physical destruction (shredding/degaussing) for storage media failing functional tests, securing a Certificate of Destruction from an audited third-party vendor.
• Update the CMDB asset state from "Active" to "Retired/Disposed" and archive the audit trail.

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5. Quality Assurance & Pro-Tips

Best Practices (Pro-Tips)

• Immutable Audit Trails: Never delete historical CMDB records; always transition states to maintain a complete historical lineage for ISO 27001 surveillance audits.
• Tagging Governance: Implement AWS Service Control Policies (SCPs) and Azure Policy constraints that block the deployment of any cloud resource lacking mandatory owner and classification tags.

Common Pitfalls to Avoid

• Orphaned Assets: Avoid relying solely on manual spreadsheets. If an asset owner leaves the company without a designated transfer, automatically assign the asset accountability to their department VP.
• Incomplete Sanitization: Do not execute standard file deletions (rm -rf or formatting). Always utilize cryptographic erasure or physical destruction verified by a second technician.

Metric Thresholds

• Inventory Completeness: $\ge 99.5%$ automated reconciliation match between network discovery scans and the CMDB.
• Decommissioning SLA: $\le 48$ hours from asset retirement request to complete media sanitization and CMDB state update.

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6. Frequently Asked Questions (FAQ)

Q: What constitutes an "information asset" under this ISO 27001-aligned policy?
A: An information asset is defined as anything that has value to Template Registry. This includes not only hardware and software, but also data (databases, customer lists, configuration files), services, documentation, and personnel knowledge repositories.

Q: Who is legally accountable if an unmanaged, shadow-IT cloud instance suffers a data breach?
A: The Department Head (Asset Owner) of the business unit where the asset was deployed is accountable, with technical traceability enforced back to the individual who provisioned the resource outside approved infrastructure-as-code pipelines.

Q: How frequently must physical media destruction certificates be retained?
A: All Certificates of Destruction must be retained in the compliance vault for a minimum of seven (7) years to satisfy regulatory retention and ISO 27001 audit sampling requirements.