IAC-49: Sensitive / Regulated Data Access Enforcement
Mechanisms exist to configure Technology Assets, Applications and/or Services (TAAS) to restrict access to sensitive and/or regulated data.
Renumbered: Formerly CFG-08 in SCF 2025.4.
Control Question: Does the organization configure Technology Assets, Applications and/or Services (TAAS) to restrict access to sensitive and/or regulated data?
General (8)
| Framework | Mapping Values |
|---|---|
| NIST 800-53 R5.2 | AC-03(11) |
| NIST SP 800-66 R2 | 164.308(a)(3) 164.312(c) |
| NIST 800-82 R3 | AC-03(11) |
| NIST 800-82 R3 HIGH OT Overlay | AC-03(11) |
| NIST 800-160 Vol2 R1 | AC-03(11) |
| NIST 800-171 R3 (source) | 03.01.02 |
| NIST 800-171A R3 (source) | A.03.01.02[01] A.03.01.02[02] |
| NIST 800-207 | NIST Tenet 4 |
US (5)
| Framework | Mapping Values |
|---|---|
| USA Federal DoD Zero Trust Execution Roadmap v1.1 | 4.7 |
| USA Federal IRS 1075 2021 | AC-3(CE-11) |
| USA Federal HIPAA Security Rule NIST SP 800-66 R2 | § 164.308(a)(3)(i) § 164.312(c)(2) |
| USA Federal HIPAA Administrative Simplification 2013 | § 164.308(a)(3)(i) § 164.312(c)(2) |
| USA Federal FINRA 2007 | 248.30(a)(2)(iii) |
Americas (1)
| Framework | Mapping Values |
|---|---|
| Americas Canada ITSP-10-171 2025 | 03.01.02 |
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
Configuration Management (CFG) 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 CFG domain capabilities are formally documented and centrally-managed by the entity. ▪ Standardized Operating Procedures (SOP) associated with CFG 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 CFG domain capabilities to address applicable statutory, regulatory and/or contractual requirements for Technology Assets, Applications, Services and/or Data (TAASD). ▪ Configuration management-related controls are primarily administrative and preventative in nature (e.g., policies, standards and procedures & guidelines). ▪ Configuration management may be a defined function (e.g., team or department) or assigned as an additional duty to existing IT and/or cybersecurity personnel. ▪ Secure Baseline Configurations (SBC) are used to configure Technology Assets, Applications and/or Services (TAAS) according to the principles of least functionality and least privilege, mostly conforming to industry-recognized standards for hardening (e.g., DISA STIGs, CIS Benchmarks or OEM security guides).
Level 3 — Well Defined
Identification & Authentication (IAC) 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 IAC 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 IAC domain capabilities are well-documented and kept current by process owners. ▪ An Identity & Access Management (IAM) team, or similar function, is appropriately staffed and supported to implement and maintain IAC domain capabilities. ▪ Technology is leveraged to enhance the efficiency and accuracy of IAM operations (e.g., directory services, Authenticate, Authorize and Audit (AAA) 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 IAC 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 configure Technology Assets, Applications and/or Services (TAAS) to restrict access to sensitive/regulated data.
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
- IAC-49_A01 information types requiring restricted access to data repositories are defined.
- IAC-49_A02 access to data repositories containing organization-defined information types is restricted.
- IAC-49_A03 approved authorizations for logical access to CUI are enforced in accordance with applicable access control policies.
Technology Recommendations
Micro/Small
- Secure Baseline Configurations (SBC)
Small
- Secure Baseline Configurations (SBC)
Medium
- Secure Baseline Configurations (SBC)
Large
- Secure Baseline Configurations (SBC)
Enterprise
- Secure Baseline Configurations (SBC)