Spreadsheets and manual workflows break accountability. They make it harder to track ownership, enforce policy, rotate credentials reliably, and prove who has access to what. That creates blind spots for auditors and security teams, while increasing the chance of missed updates, poor revocation, and inconsistent controls across the organisation.
Why This Matters for Security Teams
When password controls live in spreadsheets and email threads, the problem is not just administrative clutter. It is a governance failure that breaks accountability, makes ownership ambiguous, and turns revocation into a best-effort activity. That is especially dangerous for NHIs, where credentials often outlive the people or pipelines that created them. NHI Mgmt Group’s Ultimate Guide to NHIs — Lifecycle Processes for Managing NHIs shows why lifecycle control matters as much as initial issuance.
The practical risk is that manual tracking cannot keep pace with the number of service accounts, API keys, and automation secrets in a modern estate. NHI Mgmt Group notes that NHIs outnumber human identities by 25x to 50x in many enterprises, and only 5.7% of organisations have full visibility into their service accounts. That is why spreadsheet-based control quickly becomes a blind spot rather than a record. NIST Cybersecurity Framework 2.0 reinforces the need for repeatable governance, not ad hoc handling. In practice, many security teams discover the gap only after a stale credential has already been used or audited, rather than through intentional control review.
How It Works in Practice
Manual password management breaks down because it cannot reliably enforce the same action every time. A spreadsheet may say a secret should be rotated, but it cannot issue the replacement, update dependencies, revoke the old value, and prove completion. For NHIs, that matters because credentials are operational assets, not occasional login artifacts. The better model is lifecycle-based management with ownership, rotation, and offboarding built into workflow, as described in the NHI Lifecycle Management Guide.
Security teams should expect these control points to exist in a system of record or secrets platform, not a shared document:
- Named owner and approver for every secret or account
- Defined rotation interval and expiry date
- Recorded last-rotation time and next-review date
- Revocation and offboarding trigger tied to change events
- Audit trail showing who approved, changed, and validated the credential
This aligns with NIST Cybersecurity Framework 2.0 expectations for governance, monitoring, and recovery, but current guidance suggests the real control objective is operational proof, not just policy language. It also matches NHI evidence from the Top 10 NHI Issues, where delayed rotation and weak visibility repeatedly show up as root causes. These controls tend to break down when ownership is spread across teams and credentials are embedded in CI/CD, scripts, and legacy integrations because there is no single enforced workflow to keep records current.
Common Variations and Edge Cases
Tighter password control often increases operational overhead, requiring organisations to balance security gain against application fragility and admin effort. That tradeoff becomes sharper in legacy systems, third-party integrations, and emergency access paths where rotation can interrupt service if dependencies are not mapped. Current guidance suggests documenting exceptions explicitly rather than leaving them in a spreadsheet that no one validates.
Some environments still rely on manual processes as a temporary bridge, but that should be treated as an exception state with expiry, not a steady-state control. NHI Mgmt Group reports that only 20% of organisations have formal offboarding and revocation processes for API keys, which explains why manual handling often leaves stale access behind. For audit and resilience planning, the relevant question is not whether a spreadsheet exists, but whether it can prove who owns the credential, when it was last changed, and how revocation is enforced. The Ultimate Guide to NHIs — Regulatory and Audit Perspectives and Ultimate Guide to NHIs — Standards both point to the same operational reality: if the process cannot be evidenced, it is not a dependable control.
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 and NIST AI RMF set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-03 | Manual tracking weakens credential rotation and lifecycle control. |
| NIST CSF 2.0 | PR.AC-1 | Spreadsheets obscure access accountability and approval history. |
| CSA MAESTRO | Agentic and automated workloads need lifecycle governance beyond spreadsheets. | |
| NIST AI RMF | GOVERN | Manual credential handling undermines accountability for automated systems. |
Use governed lifecycle controls that can issue, rotate, and revoke secrets without manual follow-up.
Related resources from NHI Mgmt Group
- What breaks when JML is still managed through manual tickets and spreadsheets?
- What breaks when data discovery, data quality, and governance are managed as separate processes?
- What breaks when permission reviews are handled only through manual checks?
- How should security teams map cloud access controls to regulatory frameworks without relying on manual spreadsheets?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on August 28, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
