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TDA-21.4: Software Bill of Materials (SBOM)

TDA 9 — Critical Identify

Mechanisms exist to generate, or obtain, a Software Bill of Materials (SBOM) for Technology Assets, Applications and/or Services (TAAS) that lists software packages in use, including versions and applicable licenses.

Renumbered: Formerly TDA-04.2 in SCF 2025.4.

Control Question: Does the organization generate, or obtain, a Software Bill of Materials (SBOM) for Technology Assets, Applications and/or Services (TAAS) that lists software packages in use, including versions and applicable licenses?

General (17)
Framework Mapping Values
CIS CSC 8.1 16.2 16.4
CIS CSC 8.1 IG2 16.2 16.4
CIS CSC 8.1 IG3 16.2 16.4
CSA CCM 4.1.0 STA-09
CSA IoT SCF 2 SDV-02
IEC 62443-4-1 2018 SUM-3 SUM-3(a) SUM-3(b)
NIST 800-161 R1 CM-8(10)
NIST 800-161 R1 Level 3 CM-8(10)
NIST 800-218 PO.3.3 PS.3.2 PW.4.4 RV.1.1
NIST CSF 2.0 (source) GV.OC-05
OWASP Top 10 2025 A03:2025
PCI DSS 4.0.1 (source) 6.3.2
PCI DSS 4.0.1 SAQ A-EP (source) 6.3.2
PCI DSS 4.0.1 SAQ D Merchant (source) 6.3.2
PCI DSS 4.0.1 SAQ D Service Provider (source) 6.3.2
SPARTA 4.0 CM0012
UL 2900-1 2017 4.1(c)
US (4)
EMEA (5)
Framework Mapping Values
EMEA Germany C5 2026 AM-04.01B AM-04.01B.2 OPS-18.01B.8 OPS-29.01B OPS-29.01B.1 DEV-13.01B DEV-13.02B DEV-14.02B PSS-02.02B.4 PSS-03.03B
EMEA EU Cyber Resiliency Act Annex I 2024 Annex I, Part II(1)
EMEA EU DORA RTS 2024 Article 10.2(d)
EMEA EU NIS2 Annex 2024 6.1.2(c)
EMEA Saudi Arabia IoT CGIoT-1 2024 4-1-3
APAC (3)
Framework Mapping Values
APAC Australia ISM June 2026 ISM-1730 ISM-2054 ISM-2056
APAC India SEBI CSCRF 2024 GV.SC.S5 PR.IP.S5
APAC Malaysia RMiT 2025 10.15(a)

Capability Maturity Model

Level 0 — Not Performed

Practices are non-existent, based on the inability to demonstrate an implemented and operational capability. A reasonable person would conclude the control is not being performed.

Level 1 — Performed Informally

SCR-CMM Level 1 criteria definitions are not available for this control: ▪ A reasonable person would conclude this control requires a structured process. ▪ At this level of maturity, the "ad hoc" nature of performing a capability informally would indicate the intent of the control is not met due to a lack of consistency and formality.

Level 2 — Planned & Tracked

SCR-CMM Level 2 criteria definitions are not available for this control: ▪ A reasonable person would conclude a well-defined and standardized process is required. ▪ At this level of maturity, the “requirements-driven” nature of performing the control is focused on a localized and/or regionalized implementation, not uniform and consistent across the organization. ▪ Requirements are narrowly scoped for applicability and are primarily derived from compliance obligations (e.g., laws, regulations and contracts).

Level 3 — Well Defined

Technology Development & Acquisition (TDA) capabilities are standardized across the entity for applicability to People, Processes, Technologies, Data and/or Facilities (PPTDF) to ensure consistency for Technology Assets, Applications, Services and/or Data (TAASD). Capability criteria associated with this control reasonably expect the following criteria to exist: ▪ Policies and standards associated with TDA domain capabilities are formally documented and centrally-managed by the entity's Governance, Risk & Compliance (GRC) team, or similar function. ▪ Standardized Operating Procedures (SOP) associated with TDA domain capabilities are well-documented and kept current by process owners. ▪ A software development team, or similar function, is appropriately staffed and supported to implement and maintain TDA domain capabilities. ▪ Technology is leveraged to enhance the efficiency and accuracy of technology development and acquisition management (e.g., project management software, software escrow solution and software testing tools). ▪ The entity's Governance, Risk & Compliance (GRC) team, or similar function, works with business stakeholders and process owners to appropriately scope and reasonably implement cybersecurity and data protection controls associated with TDA domain capabilities to address Minimum Compliance Requirements (MCR) (e.g., applicable statutory, regulatory and/or contractual requirements) and Discretionary Security Requirements (DSR) (e.g., entity-required controls). ▪ An implemented and operational capability exists to generate, or obtain, a Software Bill of Materials (SBOM) for Technology Assets, Applications and/or Services (TAAS) that lists software packages in use, including versions and applicable licenses.

Level 4 — Quantitatively Controlled

Utilize SCR-CMM Level 3 criteria definitions: ▪ There are no defined Level 4 criteria, since it is reasonable to assume a quantitatively-controlled process is not necessary to operationalize this control. ▪ While it may be possible to develop “metrics-driven” capabilities for this control, the criteria would be organization-specific to define.

Level 5 — Continuously Improving

Utilize SCR-CMM Level 3 or Level 4 (if available) criteria definitions: ▪ There are no defined Level 5 criteria, since it is reasonable to assume a continuously-improving process is not necessary to operationalize this control. ▪ Level 5 capabilities should be considered “world-class” where the control builds on Level 4 capabilities, but are continuously improving through Artificial Intelligence (AI) and/or Machine Learning (ML) technologies. ▪ While it may be possible to develop responsive capabilities for this control through the use of AI and/or ML technologies, the criteria would be organization-specific to define.

Assessment Objectives

  1. TDA-21.4_A01 a Software Bill of Materials (SBOM) for systems, applications and services lists software packages in use, including versions and applicable licenses.

Evidence Requirements

E-TDA-12 Software Bill of Materials (SBOM)

Documented evidence of a Software Bill of Materials (SBOM).

Technology Design & Acquisition

Technology Recommendations

Micro/Small

  • Software Bill of Materials (SBOM)
  • Cybersecurity Supply Chain Risk Management (C-SCRM) program
  • Product / project management

Small

  • Software Bill of Materials (SBOM)
  • Cybersecurity Supply Chain Risk Management (C-SCRM) program
  • Product / project management

Medium

  • Software Bill of Materials (SBOM)
  • Cybersecurity Supply Chain Risk Management (C-SCRM) program
  • Product / project management

Large

  • Software Bill of Materials (SBOM)
  • Cybersecurity Supply Chain Risk Management (C-SCRM) program
  • Product / project management

Enterprise

  • Software Bill of Materials (SBOM)
  • Cybersecurity Supply Chain Risk Management (C-SCRM) program
  • Product / project management

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