SR-9 SR · Supply Chain Risk Management

Tamper Resistance and Detection

LOW MODERATE ✓ HIGH
1 Enhancement 1 Overlay 10 Related Controls
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Requirements NIST SOURCE

Implement a tamper protection program for the system, system component, or system service.

Discussion (NIST Supplemental Guidance)

Anti-tamper technologies, tools, and techniques provide a level of protection for systems, system components, and services against many threats, including reverse engineering, modification, and substitution. Strong identification combined with tamper resistance and/or tamper detection is essential to protecting systems and components during distribution and when in use.

Enhancements NIST SOURCE

SR-9(1) Multiple Stages of System Development Life Cycle LOW MODERATE ✓ HIGH

Employ anti-tamper technologies, tools, and techniques throughout the system development life cycle.

Discussion

The system development life cycle includes research and development, design, manufacturing, acquisition, delivery, integration, operations and maintenance, and disposal. Organizations use a combination of hardware and software techniques for tamper resistance and detection. Organizations use obfuscation and self-checking to make reverse engineering and modifications more difficult, time-consuming, and expensive for adversaries. The customization of systems and system components can make substitutions easier to detect and therefore limit damage.

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Implementation Guidance

Engineering Interpretation

Original engineering commentary written for this explorer — not NIST source text and not authoritative guidance.

No engineering interpretation has been authored for SR-9 yet. This section is architected to receive it — see the Requirements and Assessment sections above for the authoritative NIST source content in the meantime.

Assessment

NIST SP 800-53A REV 5.2.0

Assessment Objectives

  1. a tamper protection program is implemented for the system, system component, or system service.

Examine

[SELECT FROM: Supply chain risk management policy and procedures; supply chain risk management plan; system and services acquisition policy; procedures addressing supply chain protection; procedures addressing tamper resistance and detection; tamper protection program documentation; tamper protection tools and techniques documentation; tamper resistance and detection tools and techniques documentation; acquisition documentation; service level agreements; acquisition contracts for the system, system component, or system service; system security plan; other relevant documents or records].

Interview

[SELECT FROM: Organizational personnel with tamper protection program responsibilities; organizational personnel with information security responsibilities; organizational personnel with supply chain risk management responsibilities].

Test

[SELECT FROM: Organizational processes for the implementation of the tamper protection program; mechanisms supporting and/or implementing the tamper protection program].

Overlays

OT/ICS Overlay SP 800-82r3

NIST SP 800-82r3 Appendix F, Table 22. Blank baseline means the control/control enhancement is not selected in that initial OT baseline.

LOW

Not applicable at this tier.

MODERATE

Not applicable at this tier.

HIGH

  • Base control: Included (matches standard baseline)
  • Included: (1)

STIGs & CCIs

No STIG checks or CCI mappings are currently loaded for SR-9. This section is architected to display, per product: STIG ID, Finding ID, Severity, Title, Description, Check, Fix, CCI, and NIST control mapping — but nothing is populated here until a real DISA STIG/CCI dataset is ingested.

Learn more about STIG/CCI integration →

Evidence

Potential Evidence — Derived

Categorized from the SP 800-53A "Examine"/"Test" artifact list above by keyword — not an authoritative NIST evidence list.

Policy

  • Supply chain risk management policy and procedures
  • supply chain risk management plan
  • system and services acquisition policy
  • tamper protection program documentation
  • system security plan

Testing

  • Organizational processes for the implementation of the tamper protection program
  • mechanisms supporting and/or implementing the tamper protection program

Other Records

  • procedures addressing supply chain protection
  • procedures addressing tamper resistance and detection
  • tamper protection tools and techniques documentation
  • tamper resistance and detection tools and techniques documentation
  • acquisition documentation
  • service level agreements
  • acquisition contracts for the system, system component, or system service
  • other relevant documents or records