Teams should restore the identity signals that Conditional Access actually depends on, not only users and groups. That means device objects, Intune policy state, and any user attributes used in authorisation decisions. Recovery testing should prove that a restored tenant still supports normal access, compliant endpoints, and application decisions before the incident is considered contained.
Why This Matters for Security Teams
conditional access is only as reliable as the identity signals behind it. In an Entra ID recovery, teams often focus on restoring users and groups, then discover that device compliance, Intune posture, and attribute-based policy inputs were the real decision points. If those signals are missing or stale, access can fail closed for legitimate users or, worse, fail open in edge cases. Recovery has to preserve policy evaluation, not just directory availability.
This is especially important where identity and device trust are linked to application access. The control plane may look healthy while the policy plane is silently degraded. NHI Mgmt Group’s Ultimate Guide to NHIs notes that only 5.7% of organisations have full visibility into their service accounts, which is a useful reminder that recovery failures often come from missing dependencies rather than the primary directory itself. Guidance from NIST Cybersecurity Framework 2.0 also reinforces that resilience depends on restoring the functions that support decision-making, not just the system under attack.
In practice, many security teams encounter broken Conditional Access only after a tenant restore has already been declared successful.
How It Works in Practice
Effective recovery starts by mapping which policy inputs Conditional Access actually consumes. That usually includes user objects, groups, device objects, device compliance state from Intune, authentication methods, named locations, and any custom controls tied to cloud apps. Restoring Entra ID without those dependencies creates a tenant that can authenticate but cannot authorise correctly.
Recovery testing should follow the access path end to end. Restore the directory, then verify that devices can re-register or re-evaluate compliance, that Intune policies repopulate correctly, and that Conditional Access decisions still reflect current posture. The practical test is not "can a user sign in?" but "can a compliant user on a compliant endpoint reach the right app under the right policy conditions?" That distinction matters because policy engines often depend on asynchronous state, not only static directory objects.
- Restore identity objects first, then validate the policy dependencies they feed.
- Confirm device records, compliance claims, and authentication method references are intact.
- Test both allow and block paths so policy behaviour is proven, not assumed.
- Recheck app access after any directory, Intune, or Conditional Access rebuild step.
For broader context on identity recovery failure patterns, the 52 NHI Breaches Analysis shows how often compromised or incomplete identity state drives downstream control failures, while OWASP’s OWASP Non-Human Identity Top 10 is useful for thinking about identity lifecycle integrity as a control objective rather than a one-time restore task. These controls tend to break down when device registration services, Intune sync, or attribute sync are unavailable at the same time as the directory restore because Conditional Access cannot evaluate with missing state.
Common Variations and Edge Cases
Tighter recovery validation often increases downtime, requiring organisations to balance speed against policy assurance. That tradeoff is real: a fast directory rebuild can get authentication working, but a full trust rebuild takes longer because compliance and conditional rules must be rehydrated and tested.
Current guidance suggests treating hybrid environments differently from cloud-only tenants. If on-premises identity sync feeds user attributes, group membership, or device trust, recovery has to include the sync engine and its upstream sources. Similarly, break-glass access should be separated from normal conditional access policy so administrators can regain control even if the policy stack is partially impaired. There is no universal standard for the exact order of restoration, but the operational rule is consistent: restore the dependencies that Conditional Access evaluates, not only the directory shell.
Edge cases appear when device objects are intact but compliance state is not, when stale group claims linger after restore, or when app-specific policies depend on custom attributes that were never included in the recovery scope. In those environments, a restored tenant can look healthy while access decisions remain unreliable. A strong recovery plan therefore includes a preapproved test matrix for admin access, standard user access, device-based access, and blocked access paths.
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 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 |
|---|---|---|
| NIST CSF 2.0 | RC.RP-1 | Recovery planning must restore access decisions, not only services. |
| OWASP Non-Human Identity Top 10 | NHI-07 | Identity lifecycle integrity matters when recovery rehydrates policy inputs. |
| NIST AI RMF | Risk management applies to policy decisions made from restored identity state. |
Restore and test identity dependencies as part of your recovery playbook before resuming normal operations.
Related resources from NHI Mgmt Group
- How should teams add phishing-resistant MFA to Entra ID without rebuilding access policy?
- How should security teams move DMARC from monitoring to enforcement without breaking legitimate mail?
- How should security teams run access reviews for non-human identities?
- How should security teams govern non-human identities that have persistent access?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on June 24, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
