How should security teams govern applications that do not support SCIM or SAML?

Why This Matters for Security Teams

Applications that do not support SCIM or SAML are often the places where identity governance becomes fragmented, because access is still granted and revoked somewhere, just not through the clean path security tools expect. That creates real exposure around orphaned accounts, delayed deprovisioning, weak evidence for audits, and inconsistent recertification. NHI governance research from Ultimate Guide to NHIs shows how common this problem is: only 20% of organisations have formal processes for offboarding and revoking API keys, which is exactly the kind of gap legacy or connector-poor apps tend to amplify. Security teams should view these apps through a lifecycle lens, not a connector lens, and apply the same discipline they would use for service accounts, tokens, and other Top 10 NHI Issues. The control objective is consistent assurance, not perfect protocol coverage. In practice, many security teams encounter the risk only after a stale account or shared credential has already been used to bypass a routine access review.

How It Works in Practice

The operational model is straightforward: classify each unsupported application, decide whether it can be automated, and then enforce a documented lifecycle process for joiner, mover, and leaver events. For higher-risk apps, teams should prioritise privileged and externally reachable access first, then move down the list. Where connectors do not exist, current guidance suggests a controlled manual process with evidence capture, approvals, and periodic recertification rather than informal admin handling. That still allows governance, even if it is less elegant than SCIM or SAML. A practical workflow usually includes:

• Inventory the application, owner, and account types, including shared, service, and emergency access.
• Define the authoritative source of truth for access decisions and offboarding triggers.
• Use automation where possible for provisioning, deprovisioning, password rotation, and attestation reminders.
• Require compensating controls such as ticket evidence, exportable logs, and reviewer sign-off for manual steps.
• Measure exceptions by risk tier so the backlog is visible and remediated over time.

This approach aligns with NIST Cybersecurity Framework 2.0, especially asset visibility, access control, and continuous monitoring. It also reflects the lifecycle emphasis in Ultimate Guide to NHIs — Lifecycle Processes for Managing NHIs, where governance is tied to credential state, ownership, and revocation discipline. These controls tend to break down when application ownership is unclear and access changes are made directly in production without an auditable workflow.

Common Variations and Edge Cases

Tighter governance often increases operational overhead, so organisations have to balance speed of change against assurance, especially for business-critical or vendor-managed systems. There is no universal standard for this yet, but best practice is evolving toward risk-based exceptions rather than blanket approval for unsupported tools. A low-risk internal app with limited data may tolerate a semi-manual process, while a high-privilege finance, HR, or CI/CD application needs stronger evidence, more frequent recertification, and tighter revocation SLAs. Two common edge cases deserve special handling. First, shared admin accounts can hide individual accountability, so teams should replace them with named access wherever possible and use PAM for elevation instead of standing access. Second, vendor-operated apps may not expose the hooks needed for automation, which means security teams should contract for audit logs, offboarding commitments, and notification timelines at procurement time rather than after deployment. The breach lessons documented in Schneider Electric credentials breach and Hugging Face Spaces breach reinforce the same point: unsupported systems still require lifecycle control, because gaps in secret handling and access revocation become incident paths, not just compliance findings. Practitioners usually discover the exception problem during a review or incident, not during initial application onboarding.

Related resources from NHI Mgmt Group

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• How should security teams govern non-human identities in Salesforce?
• How should security teams govern non-human identities that have persistent access?