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AST-04: Asset Inventories

AST 10 — Critical Identify

Mechanisms exist to perform inventories of Technology Assets, Applications, Services and/or Data (TAASD) that: (1) Accurately reflects the current TAASD in use; (2) Identifies authorized software products, including business justification details; (3) Is at the level of granularity deemed necessary for tracking and reporting; (4) Includes organization-defined information deemed necessary to achieve effective property accountability; and (5) Is available for review and audit by designated organizational personnel.

Renumbered: Formerly AST-02 in SCF 2025.4.

Code reused: In SCF 2025.4 and earlier, AST-04 was Network Diagrams & Data Flow Diagrams (DFDs). That control is now AST-17.

Control Question: Does the organization perform inventories of Technology Assets, Applications, Services and/or Data (TAASD) that: (1) Accurately reflects the current TAASD in use; (2) Identifies authorized software products, including business justification details; (3) Is at the level of granularity deemed necessary for tracking and reporting; (4) Includes organization-defined information deemed necessary to achieve effective property accountability; and (5) Is available for review and audit by designated organizational personnel?

General (58)
Framework Mapping Values
AICPA Privacy Management Framework (PMF) M1.4
AICPA TSC 2017:2022 (used for SOC 2) (source) CC2.1-POF6 CC2.1-POF9 CC6.1-POF1
CIS CSC 8.1 1.0 1.1 2.0 2.1 2.2 2.4 6.6
CIS CSC 8.1 IG1 1.1 2.1 2.2
CIS CSC 8.1 IG2 1.1 2.1 2.2 2.4 6.6
CIS CSC 8.1 IG3 1.1 2.1 2.2 2.4 6.6
COBIT 2019 APO14.08 BAI09.01 BAI09.05
CSA CCM 4.1.0 DCS-07 DSP-03 UEM-04
CSA IoT SCF 2 ASM-01 SNT-04
GovRAMP CM-08
GovRAMP Core CM-08
GovRAMP Low CM-08
GovRAMP Low+ CM-08
GovRAMP Moderate CM-08
GovRAMP High CM-08
IEC 62443-2-1 2024 CM 1.1 CM 1.1(a) CM 1.1(b) CM 1.1(c) CM 1.1(d) CM 1.1(e) CM 1.1(f) CM 1.1(g) CM 1.1(h) CM 1.1(i)
IEC 62443-3-3 2013 SR 7.8
IEC 62443-4-2 2019 CR 7.8
IMO Maritime Cyber Risk Management 3.5.2.2
ISO 27002 2022 5.9
ISO 27017 2015 8.1.1
ISO 27018 2025 5.9
MITRE ATT&CK 16 T1011.001 T1020.001 T1021.001 T1021.003 T1021.004 T1021.005 T1021.006 T1046 T1052 T1052.001 T1053 T1053.002 T1053.005 T1059 T1059.001 T1059.005 T1059.007 T1059.010 T1068 T1072 T1091 T1092 T1098.004 T1119 T1127 T1127.001 T1127.002 T1133 T1137 T1137.001 T1189 T1190 T1195 T1195.003 T1203 T1210 T1211 T1212 T1213 T1213.001 T1213.002 T1213.005 T1218 T1218.003 T1218.004 T1218.005 T1218.008 T1218.009 T1218.012 T1218.013 T1218.014 T1218.015 T1221 T1495 T1505 T1505.001 T1505.002 T1505.004 T1530 T1542 T1542.001 T1542.003 T1542.004 T1542.005 T1546.002 T1546.006 T1546.014 T1547.007 T1548 T1548.004 T1548.006 T1553 T1553.006 T1556.009 T1557 T1557.001 T1557.002 T1557.003 T1559 T1559.002 T1563 T1563.001 T1563.002 T1564.006 T1564.007 T1565 T1565.001 T1565.002 T1574 T1574.004 T1574.007 T1574.008 T1574.009 T1593.003 T1601 T1601.001 T1601.002 T1602 T1602.001 T1602.002 T1622
MPA Content Security Program 5.3.1 OP-3.0 TS-5.0
NIST AI 100-1 (AI RMF) 1.0 GOVERN 1.6
NIST AI 600-1 GOVERN 1.6 GV-1.6-001 GV-1.6-002
NIST 800-37 R2 TASK P-10
NIST 800-53 R4 CM-8 PM-5
NIST 800-53 R5.2 CM-08 PM-05
NIST 800-53B R5 (low) (source) CM-08
NIST 800-53B R5 (moderate) (source) CM-08
NIST 800-53B R5 (high) (source) CM-08
NIST SP 800-66 R2 164.310(d)
NIST 800-82 R3 CM-08 PM-05
NIST 800-82 R3 LOW OT Overlay CM-08 PM-05
NIST 800-82 R3 MODERATE OT Overlay CM-08 PM-05
NIST 800-82 R3 HIGH OT Overlay CM-08 PM-05
NIST 800-161 R1 CM-8 PM-5
NIST 800-161 R1 C-SCRM Baseline CM-8
NIST 800-161 R1 Flow Down CM-8 PM-5
NIST 800-161 R1 Level 2 CM-8 PM-5
NIST 800-161 R1 Level 3 CM-8 PM-5
NIST 800-171 R2 (source) 3.4.1
NIST 800-171 R3 (source) 03.04.08.a 03.04.08.c 03.04.10.a 03.04.10.b 03.04.11.a
NIST 800-171A (source) 3.4.1[d] 3.4.1[e] 3.4.1[f]
NIST 800-171A R3 (source) A.03.04.08.a A.03.04.08.c A.03.04.10.ODP[01] A.03.04.10.a A.03.04.10.b[01] A.03.04.10.b[02] A.03.04.11.a[02]
NIST 800-207 NIST Tenet 1
NIST CSF 2.0 (source) ID.AM ID.AM-01 ID.AM-02
NIST Privacy Framework 1.0 ID.IM-P1
PCI DSS 4.0.1 (source) 6.3.2 9.5.1 9.5.1.1 11.2 11.2.2
PCI DSS 4.0.1 SAQ A-EP (source) 6.3.2
PCI DSS 4.0.1 SAQ B (source) 9.5.1 9.5.1.1
PCI DSS 4.0.1 SAQ B-IP (source) 9.5.1 9.5.1.1
PCI DSS 4.0.1 SAQ C (source) 9.5.1 9.5.1.1 11.2.2
PCI DSS 4.0.1 SAQ D Merchant (source) 6.3.2 9.5.1 9.5.1.1 11.2.2
PCI DSS 4.0.1 SAQ D Service Provider (source) 6.3.2 9.5.1 9.5.1.1 11.2.2
PCI DSS 4.0.1 SAQ P2PE (source) 9.5.1 9.5.1.1
SCF DPMP 2026 5.2
US (29)
Framework Mapping Values
USA Federal CMS MARS-E 2.0 CM-8 CM-8.a CM-8.a.1 CM-8.a.2 CM-8.a.3 CM-8.a.4 CM-8.b CM-8-IS.1 CM-8-IS.2 MP-1-IS.1 PM-5
USA Federal CISA CPG 2022 1.A
USA Federal DHS CISA TIC 3.0 3.PEP.DA.DINVE 3.UNI.INVENT
USA Federal C2M2 2.1 ASSET-1a ASSET-1b ASSET-1d ASSET-1e ASSET-1f ASSET-1g ASSET-2a ASSET-2b ASSET-2f ASSET-2g RISK-2h
USA Federal DoW BaTB IT 2026 2
USA Federal DoW BaTB OT 2026 2
USA Federal CERT RMM 1.2 ADM:SG1.SP1
USA Federal CMMC 2.0 Level 2 CML2.-3.4.1
USA Federal CMMC 2.0 Level 3 AC.L3-3.1.2E
USA Federal DoD Zero Trust Execution Roadmap v1.1 2.1 2.1.1 3.1 3.1.1
USA Federal CJIS Security Policy 6.0 CM-8
USA Federal FFIEC ITEH 2016 II.C.5
USA Federal FedRAMP R5 (low) CM-08
USA Federal FedRAMP R5 (moderate) CM-08
USA Federal FedRAMP R5 (high) CM-08
USA Federal FedRAMP R5 (LI-SaaS) CM-08
USA Federal IRS 1075 2021 PM-5
USA Federal 33 CFR Part 101 Subpart F 101.650(b)(3)
USA Federal HIPAA Security Rule NIST SP 800-66 R2 § 164.310(d)(2)(iii)
USA Federal HIPAA Administrative Simplification 2013 § 164.310(d)(2)(iii)
USA Federal NERC CIP 2024 CIP-011-3 1.1
USA Federal NRC 10 CFR 73.54 2015 73.54(b)(1)
USA Federal NSF RIG 2025 5.3.6 / NSF11
USA Federal TSA SDP 2021-02F III.A
USA California CCPA 2025 7123(c)(4) 7123(c)(4)(B)
USA New York DFS 23 NYCRR500 2023 Amd 2 500.13(a) 500.13(a)(1) 500.13(a)(1)(i) 500.13(a)(1)(ii) 500.13(a)(1)(iii) 500.13(a)(1)(iv) 500.13(a)(1)(v) 500.13(a)(2)
USA Texas DIR SCSC 2.2 2025 CM-08 PM-05 PM-05-SID
USA Texas TX-RAMP Level 1 CM-08
USA Texas TX-RAMP Level 2 CM-08
EMEA (20)
Framework Mapping Values
EMEA CHE FINMA Circular 2023/1 IV.B.c-53 IV.B.c-54
EMEA Germany BAIT 2017 3.3 8.2
EMEA Germany C5 2026 AM-01.01B.1 AM-01.01B.5 AM-01.01AC AM-01.02AC AM-02.01B AM-02.02B AM-02.03B AM-02.04B AM-03.01B AM-03.01B.1 AM-03.01B.2 AM-03.01B.3 AM-04.01B AM-04.01B.1 AM-04.01B.3 OPS-34.02B.1 COS-07.03B
EMEA Spain CCN-STIC 825 op.pl.2 op.exp.1
EMEA EU DORA 2023 Article 8.4 Article 8.6
EMEA EU DORA RTS 2024 Article 4.2(b) Article 4.2(b)(i) Article 4.2(b)(ii) Article 4.2(b)(vii) Article 7.4 Article 30.1 Article 34.1(a)
EMEA EU EBA GL/2019/04 3.3.2.16 3.5.53 3.5.54
EMEA EU NIS2 2022 Article 21.2(i)
EMEA EU NIS2 Annex 2024 5.2(b) 12.4.1 12.4.2 12.4.2(a) 12.4.2(b)
EMEA UK CAF 4.0 A3.a (point 1)
EMEA UK DEFSTAN 05-138 2024 1301 2202 2310
EMEA UK DEFSTAN 05-138 - L1 2024 2310
EMEA UK DEFSTAN 05-138 - L2 2024 1301 2202 2310
EMEA UK DEFSTAN 05-138 - L3 2024 1301 2202 2310
EMEA Israel CDMO 2.0 4.1, Stage 1
EMEA LUX CCSF 20/750 2020 3.3.2-16 3.5-50 3.5-53 3.5-54 3.6.2-74
EMEA Saudi Arabia IoT CGIoT-1 2024 2-1-1
EMEA Saudi Arabia CSCC-1 2019 2-1-1-1
EMEA Saudi Arabia OTCC-1 2022 2-1-1-1
EMEA UAE NIAF 2023 3.1.1
APAC (10)
Framework Mapping Values
APAC Australia CCM 2026 IDE-01
APAC Australia Essential 8 2024 ISM-1807
APAC Australia ISM June 2026 ISM-0336 ISM-1643 ISM-1807 ISM-1966
APAC India SEBI CSCRF 2024 ID.AM.S1 ID.AM.S5 ID.AM.S6
APAC Japan ISMAP 8.1.1 8.1.1.2 8.1.1.3 8.1.1.4 8.1.2.3
APAC Malaysia RMiT 2025 11.3(b) 11.3(h) A10-A2(b)
APAC New Zealand HISF Microsmall 2023 HMS03
APAC New Zealand NZISM 3.9 8.4.8.C.01 8.4.9.C.01
APAC Singapore CCOP CII 2026 4.1.1 4.1.1(b) 4.1.1(f) 4.1.1(h) 4.1.1(i) 4.1.2 4.1.3 12.1.1 12.1.1(b) 12.1.1(f) 12.1.1(h) 12.1.1(i)
APAC Singapore MAS TRM 2021 3.3.1(a) 3.3.2 11.5.1
Americas (5)
Framework Mapping Values
Americas Argentina Reg 132 2018 B.1.1 D.1.1-4
Americas Bermuda BMACCC 2020 5.9
Americas Canada ITSP-10-171 2025 03.04.08.A 03.04.08.C 03.04.10.A 03.04.10.B 03.04.11.A
Americas Canada OSFI B-13 2022 2.2 2.2.2 2.2.3
Americas Canada OSFI Self-Assessment Guidance 2.2.2

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

Asset Management (AST) capabilities are requirements-driven, but are not standardized across the entity (e.g., local/regional level consistency). Capability criteria associated with this control reasonably expect the following criteria to exist: ▪ Policies and standards associated with AST domain capabilities are formally documented and centrally-managed by the entity. ▪ Standardized Operating Procedures (SOP) associated with AST domain capabilities are documented and maintained by process owners. ▪ IT and/or cybersecurity personnel work with business stakeholders and process owners to appropriately scope and reasonably implement cybersecurity and data protection controls associated with AST domain capabilities to address applicable statutory, regulatory and/or contractual requirements for Technology Assets, Applications, Services and/or Data (TAASD). ▪ Asset management-related controls are primarily administrative and preventative in nature (e.g., policies, standards and procedures & guidelines). ▪ Asset management may be a defined function (e.g., team or department) or assigned as an additional duty to existing IT and/or cybersecurity personnel. ▪ The IT department establishes, maintains and updates an inventory that contains a listing of all organizational-owned TAASD, at a minimum covering common devices (e.g., laptops, workstations and servers). ▪ Inventories may be manual (e.g., spreadsheets) or automated. ▪ Data/process owners for business-critical assets are documented and are reviewed as part of the annual asset inventories. ▪ Software licensing is tracked as part of IT asset inventories. ▪ No structured process exists to review or share the results of the inventories. ▪ Annual IT asset inventories validate or update stakeholders /owners.

Level 3 — Well Defined

Asset Management (AST) 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 AST 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 AST domain capabilities are well-documented and kept current by process owners. ▪ An IT Asset Management (ITAM) team, or similar function, is appropriately staffed and supported to implement and maintain AST domain capabilities. ▪ Technology is leveraged to enhance the efficiency and accuracy of ITAM operations (e.g., ITAM platform, (e.g., Configuration Management Database (CMBD) Asset Management solution). ▪ 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 AST 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 perform inventories of TAASD that: (1) Accurately reflects the current TAASD in use; (2) Identifies authorized software products, including business justification details; (3) Is at the level of granularity deemed necessary for tracking and reporting; (4) Includes organization-defined information deemed necessary to achieve effective property accountability; and (5) Is available for review and audit by designated organizational personnel.

Level 4 — Quantitatively Controlled

Asset Management (AST) capabilities, in addition to being standardized across the entity and centrally managed to ensure consistency across Technology Assets, Applications, Services and/or Data (TAASD), efforts are metrics driven to provide sufficient insight for decision makers to predict optimal performance, ensure continued operations and/or identify areas for improvement. Capability criteria associated with this control reasonably expect the following criteria to exist: ▪ Applicable SCR-CMM Level 3 (Well Defined) capabilities are implemented and operational. ▪ Metrics reporting includes quantitative analysis of Key Performance Indicators (KPIs). ▪ Metrics reporting includes quantitative analysis of Key Risk Indicators (KRIs). ▪ Scope of metrics, KPIs and KRIs covers organization-wide cybersecurity and data protection controls, including functions performed by third-parties. ▪ Organizational leadership maintains a formal process to objectively review and respond to metrics, KPIs and KRIs (e.g., monthly or quarterly review). ▪ Based on metrics analysis, process improvement recommendations are submitted for review and are handled in accordance with change control processes. ▪ Business and technical stakeholders are involved in reviewing and approving proposed changes to evolve capabilities.

Level 5 — Continuously Improving

Asset Management (AST) capabilities, in addition to being standardized across the entity and centrally managed to ensure consistency across Technology Assets, Applications, Services and/or Data (TAASD), efforts are metrics driven to provide sufficient insight for decision makers to predict optimal performance, ensure continued operations and/or identify areas for improvement. Capability criteria associated with this control reasonably expect the following criteria to exist: ▪ Applicable SCR-CMM Level 3 (Well Defined) capabilities are implemented and operational. ▪ Based on predictive analysis, process improvements are implemented according to “continuous improvement” practices that affect process changes. ▪ Stakeholders make time-sensitive decisions to support operational efficiency, which may include automated remediation actions via Artificial Intelligence (AI) or Machine Learning (ML) technologies.

Assessment Objectives

  1. AST-04_A01 a documented, up-to-date, complete, accurate and readily available inventory of systems and system components exists.
  2. AST-04_A02 the system inventory includes hardware, software, firmware and documentation.
  3. AST-04_A03 the inventory is maintained (reviewed / updated) throughout the system development life cycle.
  4. AST-04_A04 approved systems and system components are identified.
  5. AST-04_A05 information deemed necessary to achieve effective systems and system component accountability is defined.
  6. AST-04_A06 the frequency at which to update the inventory of systems and system components is defined.
  7. AST-04_A07 the inventory of systems and system components is updated per an organization-defined frequency.
  8. AST-04_A08 the frequency at which to review and update the system component inventory is defined.
  9. AST-04_A09 an inventory of system components is developed and documented.
  10. AST-04_A10 the system component inventory is reviewed <A.03.04.10.ODP[01]: frequency>.
  11. AST-04_A11 the system component inventory is updated <A.03.04.10.ODP[01]: frequency>.

Evidence Requirements

E-AST-04 Asset Inventories - Hardware

Documented evidence of an inventory of the organization's technology hardware assets.

Asset Management
E-AST-05 Asset Inventories - Software

Documented evidence of an inventory of the organization's software assets.

Asset Management
E-AST-07 Cyber-Physical Systems (CPS)

Documented evidence of an inventory of the organization's physical assets that process functions based on software and networks.

Asset Management
E-AST-28 Software Licenses

Documented evidence of software license inventories.

Asset Management

Technology Recommendations

Micro/Small

  • IT Asset Management (ITAM) program
  • Spreadsheet-based asset inventory or Snipe-IT (free, https://snipeitapp.com)
  • JAMF (https://jamf.com) for Apple device management
  • Configuration Management Database (CMDB)

Small

  • IT Asset Management (ITAM) program
  • ManageEngine AssetExplorer (https://manageengine.com)
  • JAMF (https://jamf.com) or Microsoft Intune for device management
  • Configuration Management Database (CMDB)

Medium

  • IT Asset Management (ITAM) program
  • ManageEngine AssetExplorer (https://manageengine.com)
  • Ivanti (https://ivanti.com) or Microsoft Intune
  • Configuration Management Database (CMDB)
  • Lansweeper for network device discovery

Large

  • IT Asset Management (ITAM) program
  • ManageEngine AssetExplorer or Ivanti (https://ivanti.com)
  • Configuration Management Database (CMDB) (e.g., ServiceNow, Device42)
  • Integration with network discovery tools (e.g., Nmap, Qualys Asset Inventory)

Enterprise

  • IT Asset Management (ITAM) program
  • Enterprise ITAM solution (e.g., Ivanti, Snow Software, Flexera)
  • Configuration Management Database (CMDB) (e.g., ServiceNow CMDB)
  • Automated asset discovery integrated with vulnerability management
  • CIS Control 1 & 2 alignment

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