+SA-20 Customized Development of Critical Components
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SA-20 Customized Development of Critical Components
Control
Reimplement or custom develop the following critical system components: [Assignement: critical system].
Discussion
Organizations determine that certain system components likely cannot be trusted due to specific threats to and vulnerabilities in those components for which there are no viable security controls to adequately mitigate risk. Reimplementation or custom development of such components may satisfy requirements for higher assurance and is carried out by initiating changes to system components (including hardware, software, and firmware) such that the standard attacks by adversaries are less likely to succeed. In situations where no alternative sourcing is available and organizations choose not to reimplement or custom develop critical system components, additional controls can be employed. Controls include enhanced auditing, restrictions on source code and system utility access, and protection from deletion of system and application files.
Assessment Objective
[Assignement: critical system] are reimplemented or custom-developed.
Assessment Method
Examine
Supply chain risk management plan
system and services acquisition policy
procedures addressing the customized development of critical system components
system design documentation
system configuration settings and associated documentation
system development life cycle documentation addressing the custom development of critical system components
configuration management records
system audit records
system security plan
other relevant documents or records
Interview
Organizational personnel with system and service acquisition responsibilities
organizational personnel with information security responsibilities
organizational personnel with responsibility for the reimplementation or customized development of critical system components
1. Übersicht
1.1 Referenzen
1.2 Identifizierte Anforderungen
1.3 Zugehörige Regulierungen
2. Identifizierte Anforderungen
Anforderungen
| Quelle |
Anforderung |
3. Zugehörige Regulierungen
Regulierungen
| Quelle |
Regulierung |
Verknüpfte Vorgänge
- NIST -
EN: Publications of the National Institute of Standards and Technology (NIST), U.S. Department of Commerce, https://www.nist.gov/, from their electronic versions (OSCAL; SP 800-63-4 from its HTML version, https://pages.nist.gov/800-63-4/). Works of NIST employees are not subject to copyright protection in the United States (17 U.S.C. § 105); the OSCAL content is dedicated to the public domain worldwide (CC0 1.0); outside the United States NIST grants the right to reprint its technical series publications in all formats (NIST copyright statement). Republished courtesy of the National Institute of Standards and Technology; each document names its citation. Divided into sections and converted into the GRCA format, the wording unchanged. Only the versions published by NIST are authoritative.
DE: Veröffentlichungen des National Institute of Standards and Technology (NIST), U.S. Department of Commerce, https://www.nist.gov/, aus ihren elektronischen Fassungen (OSCAL; SP 800-63-4 aus ihrer HTML-Fassung, https://pages.nist.gov/800-63-4/). Werke von NIST-Beschäftigten sind in den USA urheberrechtlich nicht geschützt (17 U.S.C. § 105); die OSCAL-Inhalte sind weltweit gemeinfrei gestellt (CC0 1.0); außerhalb der USA räumt das NIST das Recht ein, seine Technical-Series-Publikationen in allen Formaten neu zu veröffentlichen (Copyright-Hinweis des NIST). „Republished courtesy of the National Institute of Standards and Technology“; jedes Dokument nennt seine Zitierangabe. In Abschnitte aufgeteilt und in das GRCA-Format umgewandelt, der Wortlaut unverändert. Maßgeblich sind allein die vom NIST veröffentlichten Fassungen.
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