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 Information Technology Laboratory
      Executive Order 14028,  Improving the Nation's Cybersecurity
    
      
  Software Supply Chain Security Guidance
                            Expand or Collapse
          Software Security in Supply Chains
                                              Expand or Collapse
                Guidance, Purpose, Scope, and Audience
                                  EO-Critical Software and Security Measures for EO-Critical Software
                                  Software Cybersecurity for Producers and Users
                                                                Expand or Collapse
                      Attesting to Conformity with Secure Software Development Practices
                                  Software Verification
                                  Evolving Standards, Tools, and Recommended Practices
                                                                Expand or Collapse
                      Software Bill of Materials (SBOM)
                                              Enhanced Vendor Risk Assessments
                                              Open Source Software Controls
                                              Vulnerability Management
                                  Additional Existing Industry Standards, Tools, and Recommended Practices
                                  FAQs
                      Software Cybersecurity for Producers and Purchasers
                      Critical Software
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                Critical Software Definition
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                      Introduction
                                              Background & Approach
                                              Definition & Explanatory Material
                                              FAQs
                                  Security Measures for Critical Software Use
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                      Introduction
                                              Purpose & Scope
                                              Security Measures for EO-Critical Software Use
                                              FAQs
                      Software Verification
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                Introduction
                                  Background & Approach
                                  Recommended Minimum Standard for Vendor or Developer Verification of Code
                                  FAQs
          Cybersecurity Labeling for Consumers
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          Consumer Cybersecurity Labeling Pilots: The Approach and Contributions
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          Cybersecurity @ NISTSoftware Security in Supply Chains: Guidance, Purpose, Scope, and Audience

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This guidance informs the acquisition, use, and maintenance of third-party software and services for agencies’ information technology (IT), Cybersecurity Supply Chain Risk Management (C-SCRM) Program Management Office, acquisition/procurement, and other functions in response to Section 4(c) and 4(d) of Executive Order (EO) 14028. It calls for applying the controls in SP 800-161, Rev. 1, to suppliers and – where feasible – adopting new software supply chain security recommendations.

The impact of Section 4(c) and 4(d) directives will continue to evolve through 2022 and beyond. Concepts introduced here will similarly evolve. NIST will maintain this guidance in accordance with Section 4(d).

This guidance does not include contractual language for federal agencies or cybersecurity concepts and disciplines beyond core software supply chain security use cases.

The primary audience for this guidance are federal agencies that acquire, deploy, use, and manage software from open source projects, third-party suppliers, developers, system integrators, external system service providers, and other information and communications technology (ICT)/operational technology (OT)-related service providers that must comply with Section 4(d) of EO 14028. As outlined in the relationship map below, Section 4(e) and the associated SP 800-218, *Secure Software Development Framework (SSDF) Version 1.1: Recommendations for Mitigating the Risk of Software Vulnerabilities*,**contains guidance on secure software produced or developed in-house by federal agencies or by third-party suppliers.

 
      Figure 1 - Relationship map between SSDF V1.1 and EO 14028, Section 4(d). Graphic depicts the relationship map between SSDF V1.1 and EO 14028, Section 4(d).
Figure 1 - Relationship map between SSDF V1.1 and EO 14028, Section 4(d)**Content:**

Introduction
	Guidance, Purpose, Scope, and Audience
	EO-Critical Software and Security Measures for EO-Critical Software
	Software Cybersecurity for Producers and Users

	Attesting to Conformity with Secure Software Development Practices
	Software Verification
	Evolving Standards, Tools, and Recommended Practices

	Software Bill of Materials (SBOM)
		Enhanced Vendor Risk Assessments
		Open Source Software Controls
		Vulnerability Management
	Additional Existing Industry Standards, Tools, and Recommended Practices
	Frequently Asked Questions (FAQs)
  Information technology and Cybersecurity

    
    Created May 3, 2022, Updated May 5, 2022
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