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AST-05: Identify Critical Assets

AST 9 — Critical Recover

Mechanisms exist to identify and document the critical Technology Assets, Applications, Services and/or Data (TAASD) that support essential missions and business functions.

Renumbered: Formerly BCD-02 in SCF 2025.4.

Code reused: In SCF 2025.4 and earlier, AST-05 was Security of Assets & Media. That control is now AST-18.

Control Question: Does the organization identify and document the critical Technology Assets, Applications, Services and/or Data (TAASD) that support essential missions and business functions?

General (32)
Framework Mapping Values
AICPA TSC 2017:2022 (used for SOC 2) (source) CC7.5
COBIT 2019 APO09.01 BAI04.02 BAI09.02
CR CMM 2026 CR1.1.5
CSA CCM 4.1.0 BCR-02
GovRAMP CP-02(08)
GovRAMP Low+ CP-02(08)
GovRAMP Moderate CP-02(08)
GovRAMP High CP-02(08)
IMO Maritime Cyber Risk Management 3.5.2.1 3.5.3.7 3.5.6
ISO/SAE 21434 2021 RQ-15-02
ISO 22301 2019 6.1.1
MPA Content Security Program 5.3.1 OR-1.2
NIST AI 100-1 (AI RMF) 1.0 GOVERN 1.6
NIST 800-37 R2 TASK P-6 TASK P-8
NIST 800-53 R4 CP-2(8)
NIST 800-53 R5.2 CP-02(08)
NIST 800-53B R5 (moderate) (source) CP-02(08)
NIST 800-53B R5 (high) (source) CP-02(08)
NIST SP 800-66 R2 164.308(a)(7)
NIST 800-82 R3 CP-02(08)
NIST 800-82 R3 MODERATE OT Overlay CP-02(08)
NIST 800-82 R3 HIGH OT Overlay CP-02(08)
NIST 800-160 Vol2 R1 CP-02(08)
NIST 800-161 R1 CP-2(8)
NIST 800-161 R1 Level 3 CP-2(8)
NIST 800-172 R3 03.11.10E
NIST 800-172A R3 DS-A.03.11.10E
NIST CSF 2.0 (source) GV.OC-04 GV.OC-05 ID.AM-05 RC.RP RC.RP-02 RC.RP-04
NIST Privacy Framework 1.0 ID.BE-P3
SCF DPMP 2026 11.7
SWIFT CSF 2025 2.8
TISAX ISA 6.0.3 5.2.8
US (12)
Framework Mapping Values
USA Federal CMS MARS-E 2.0 CP-2(8)
USA Federal C2M2 2.1 ASSET-1c ASSET-2c RISK-2h RISK-2m THIRD-PARTIES-1a
USA Federal CERT RMM 1.2 ADM:SG2.SP2 EC:SG1.SP2 TM:SG1.SP2
USA Federal CJIS Security Policy 6.0 CP-2(8)
USA Federal FedRAMP R5 (moderate) CP-02(08)
USA Federal FedRAMP R5 (high) CP-02(08)
USA Federal IRS 1075 2021 CP-2(CE-8)
USA Federal HIPAA Security Rule NIST SP 800-66 R2 § 164.308(a)(7)(ii)(E)
USA Federal HIPAA Administrative Simplification 2013 § 164.308(a)(7)(ii)(E)
USA Federal NSF RIG 2025 5.3.6 / NSF11
USA Federal TSA SDP 2021-02F III.A
USA New York DFS 23 NYCRR500 2023 Amd 2 500.16(a)(2)(i) 500.16(a)(2)(vi)
EMEA (11)
Framework Mapping Values
EMEA CHE FINMA Circular 2023/1 IV.E-84 V-101 V-107 VI-112
EMEA Germany C5 2026 BCM-01.02B.3 BCM-02.01B BCM-02.01B.2 BCM-02.01B.3
EMEA EU DORA 2023 Article 8.4
EMEA EU DORA RTS 2024 Article 4.2(b)(vi) Article 5.2 Article 24.1(g) Article 27.2(a)(ii) Article 39.1
EMEA EU EBA GL/2019/04 3.3.2.16 3.7.1.78
EMEA UK CAF 4.0 A3.a (point 3)
EMEA UK CAP 1850 2020 A4
EMEA LUX CCSF 20/750 2020 3.7.1-78
EMEA Saudi Arabia CSCC-1 2019 2-1-1-1 2-8-1-1 3-1-1-2
EMEA Saudi Arabia OTCC-1 2022 2-1-1-5
EMEA UAE NIAF 2023 3.4
APAC (5)
Americas (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

Business Continuity & Disaster Recovery (BCD) domain capabilities are ad hoc and inconsistent. Capability criteria associated with this control may include: ▪ Policies, standards & procedures associated with BCD domain capabilities provide limited coverage due to the depth and breadth of the existing documentation. ▪ Contingency management-related activities are decentralized (e.g., a localized/regionalized function) and uses non-standardized methods to implement secure, resilient and compliant practices. ▪ Limited technologies exist to support near real-time network infrastructure failover (e.g., redundant ISPs and redundant power). ▪ IT and/or cybersecurity personnel develop limited Disaster Recovery Plans (DRP) to recover business-critical Technology Assets, Applications and/or Services (TAAS) and services.

Level 2 — Planned & Tracked

Business Continuity & Disaster Recovery (BCD) 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 BCD domain capabilities are formally documented and centrally-managed by the entity. ▪ Standardized Operating Procedures (SOP) associated with BCD 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 BCD domain capabilities to address applicable statutory, regulatory and/or contractual requirements for Technology Assets, Applications, Services and/or Data (TAASD). ▪ Business Continuity / Disaster Recovery (BC/DR)-related controls are primarily administrative and preventative in nature (e.g., policies, standards and procedures & guidelines). ▪ BC/DR may be a defined function (e.g., team or department) or assigned as an additional duty to existing IT and/or cybersecurity personnel. ▪ Business stakeholders and process owners identify business-critical TAASD and External Service Providers (ESPs). ▪ IT and/or cybersecurity personnel work with business stakeholders and process owners to identify single points of failure from a TAASD perspective. ▪ Production TAASD support business-critical application and services failover. ▪ IT and/or cybersecurity personnel work with business stakeholders and process owners to develop BC/DR plans to recover business-critical TAASD. ▪ Data/process owners conduct a Business Impact Analysis (BIA) at least annually, or after any major technology or process change, to identify TAASD that are critical to the business, as well as single points of failure. ▪ Business stakeholders and process owners define Recovery Time Objectives (RTOs) for business-critical TAASD. ▪ Business stakeholders and process owners define Recovery Point Objectives (RPOs) for business-critical TAASD.

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 identify and document the critical TAASD that support essential missions and business functions.

Level 4 — Quantitatively Controlled

Business Continuity & Disaster Recovery (BCD) 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

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. AST-05_A01 systems, applications and services that support essential missions and business functions are identified.
  2. AST-05_A02 critical system assets supporting organization-defined criteria mission and business functions are identified.

Evidence Requirements

E-BCD-08 COOP Criticality Analysis

Documented evidence of a Continuity of Operations Plan (COOP)-related criticality analysis.

Business Continuity

Technology Recommendations

Micro/Small

  • Business Impact Analysis (BIA)
  • Criticality assessments

Small

  • Business Impact Analysis (BIA)
  • Criticality assessments

Medium

  • Business Impact Analysis (BIA)
  • Criticality assessments

Large

  • Business Impact Analysis (BIA)
  • Criticality assessments

Enterprise

  • Business Impact Analysis (BIA)
  • Criticality assessments

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