21 CFR Part 11 is a U.S. regulatory framework for electronic records and electronic signatures in regulated life sciences activity. It requires organisations to demonstrate control over access, record keeping, and accountability, so systems can prove who accessed what, when, and under which authorised conditions.
Expanded Definition
21 CFR Part 11 is the U.S. Food and Drug Administration rule set that governs when electronic records and electronic signatures are considered trustworthy in regulated life sciences environments. It is not an identity standard by itself, but it depends on strong identity controls so the organisation can show attributable actions, auditability, and record integrity. In practice, Part 11 asks whether a system can prove who performed an action, whether that identity was authorised, and whether the record remained protected from unauthorised change. That makes it closely related to access control, logging, retention, and signature binding, especially in GxP systems and validated workflows. Guidance varies across vendors and implementation teams on how much technical detail is required for compliance evidence, but the operational expectation is consistent: access must be controlled, events must be traceable, and records must remain reliable. For a broader identity governance lens, NIST Cybersecurity Framework 2.0 provides useful language for access and audit outcomes. The most common misapplication is treating Part 11 as a software feature checklist, which occurs when teams ignore the underlying identity, validation, and evidence chain needed to support compliance.
Examples and Use Cases
Implementing Part 11 rigorously often introduces validation and evidence-management overhead, requiring organisations to weigh faster system changes against stronger defensibility during inspections.
- A clinical data platform uses individual user accounts, unique electronic signatures, and immutable audit trails so each protocol amendment can be attributed and reviewed.
- A manufacturing execution system restricts electronic batch record approval to authorised reviewers and preserves the approval history for inspection readiness.
- A regulated lab integrates access logging with identity governance so that termination, role changes, and privilege approvals are captured in a defensible record chain, consistent with practices described in the Ultimate Guide to NHIs.
- An e-signature workflow requires re-authentication before signing a release record, reducing the risk that a shared session or unattended terminal can produce an unauthorised signature.
- A validation team documents system controls, SOPs, and audit evidence to show that the electronic record is trustworthy across its full lifecycle.
These patterns are easier to operationalise when the identity layer is designed for accountability, not merely access. They also align with the control logic in the NIST Cybersecurity Framework 2.0, especially where traceability and access governance must be demonstrated, not assumed.
Why It Matters in NHI Security
Part 11 matters to NHI security because regulated systems increasingly rely on service accounts, application identities, automated approval steps, and machine-generated records. If those NHIs are weakly governed, the organisation may still have logs, but not defensible evidence. The risk is not only unauthorised access, but also invalid signatures, unclear accountability, and records that cannot withstand audit scrutiny. NHI Mgmt Group research shows that 80% of identity breaches involved compromised non-human identities such as service accounts and API keys, which is especially relevant where those identities can touch regulated records. The same research also shows that only 5.7% of organisations have full visibility into their service accounts, and that visibility gap makes Part 11 evidence much harder to sustain. In this context, the controls that matter most are access review, secret governance, and traceable execution paths, themes also reinforced by the Ultimate Guide to NHIs. Organisations typically encounter the seriousness of Part 11 only after a validation failure, audit finding, or disputed electronic signature, at which point the term becomes operationally unavoidable to address.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
OWASP Non-Human Identity Top 10 and CSA MAESTRO address the attack and risk surface, while NIST CSF 2.0, NIST SP 800-63 and NIST Zero Trust (SP 800-207) set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST CSF 2.0 | PR.AA | Part 11 needs strong identity assurance, access control, and traceable authentication. |
| NIST SP 800-63 | Identity proofing and authentication assurance support trusted electronic signatures. | |
| NIST Zero Trust (SP 800-207) | Zero Trust principles reinforce continuous verification for regulated workflows. | |
| OWASP Non-Human Identity Top 10 | NHI-02 | Secret handling and service-account governance are core to preventing record tampering. |
| CSA MAESTRO | Agentic automation must preserve accountability when it touches regulated records. |
Tie regulated record access to verified identities and keep auditable evidence of every privileged action.
Related resources from NHI Mgmt Group
- What makes GenAI usage part of the same secrets problem?
- When should organisations treat agent output integrations as part of access governance?
- When should organisations treat NHI governance as part of ransomware defense?
- When should organisations review external data shares as part of identity governance?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on August 27, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
