+Software Release Integrity Verification

Software Release Integrity Verification

Description

Mechanisms exist to publish integrity verification information for software releases.

Possible Solutions & Considerations

Micro-Small Business (<10 staff) / BLS Firm Size Classes 1-2

∙ Publish checksums/hashes for any software releases

Small Business (10-49 staff) / BLS Firm Size Classes 3-4

∙ Published SHA-256 hashes for releases
∙ Code signing for distributed software

Medium Business (50-249 staff) / BLS Firm Size Classes 5-6

∙ Code signing certificates for releases
∙ Published hashes and signatures
∙ Signed release notes

Large Business (250-999 staff) / BLS Firm Size Classes 7-8

∙ Code signing with protected keys (HSM/KMS)
∙ Published signatures and SBOMs
∙ Signing integrated into release pipeline

Enterprise (> 1,000 staff) / BLS Firm Size Class 9

∙ Enterprise code signing program with HSM-protected keys and signing policy
∙ Published integrity verification (signatures, hashes, SLSA provenance)
∙ Transparency log / Sigstore where applicable

SCR-CMM

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 publish integrity verification information for software releases.

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.

1. Panoramica

1.1 Riferimenti

1.2 Requisiti identificati

1.3 Regolamentazioni correlate

2. Requisiti identificati

Requisiti

3. Regolamentazioni correlate

Regolamentazioni

Ticket collegati

Collegamenti
is related to Annual
is related to relative Control Weighting = 10
is related to Process
is related to Detect
is related to SCRM Focus Tier 2 OPERATIONAL
is related to SCRM Focus Tier 3 TACTICAL
blocks Unauthorized Retention / Inability to Dispose of Data
blocks Revenue Loss
blocks Contractual Default / Termination
blocks Loss of Competitive Advantage
blocks Reputational Harm / Loss of Stakeholder Trust
blocks Regulatory / Legal / Contractual Financial Liability
blocks Failure to Support Business / Mission Objectives
blocks Uncontrolled Internal Security / Privacy Exposure
blocks Lack of oversight of internal controls
blocks Lack of oversight of third-party controls
blocks Third-Party Cybersecurity Compromise / Exposure
blocks Third-Party Physical Security Disruption / Exposure
blocks Sub-Tier / Fourth-Party Supply Chain Exposure
blocks Third-Party Legal / Compliance Exposure
blocks Harm from Unauthorized / Unintended Product or Service Use
blocks Third-Party Dependency Failure
is related to relative Control Weighting = 06
is related to Protect
blocks Unauthorized Modification / Loss of System Integrity
blocks System / Data Compromise (Technical Vector)
blocks System / Service Compromise
blocks Inability to Demonstrate Due Diligence / Due Care
blocks Counterfeit / Non-Conforming Component Impact
blocks Loss of Authenticity / Provenance
blocks Drought & Water Shortage
blocks Earthquakes
blocks Fire & Wildfires
blocks Floods
blocks Hurricanes & Tropical Storms
blocks Landslides & Debris Flow
blocks Pandemic (Disease) Outbreaks
blocks Severe Weather
blocks Space Weather
blocks Thunderstorms & Lightning
blocks Tornadoes
blocks Tsunamis
blocks Volcanoes
blocks Winter Storms & Extreme Cold
blocks Malicious Cyber Activity
blocks Dysfunctional Management Practices
blocks Human Error
blocks Technical / Mechanical Failure
blocks Data Quality Degradation / Data Poisoning
blocks Fraud, Corruption and/or Intentional Criminal Conduct
blocks Counterfeit / Non-Conforming Products
blocks Cryptographic Compromise / Cryptanalytic Capability Advancement
is blocked by TDA-06.5 Software Release Integrity Verification – Assessment Procedure
blocks PS.2 Provide a Mechanism for Verifying Software Release Integrity
blocks PS.2.1 Make software integrity verification information available to software acquirers.
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