Security checks / Check reference / Conditional Access
Conditional Access User Critical Coverage Gap
Critical Severity Microsoft 365 security check in the Conditional Access domain.
User has no Conditional Access MFA coverage (critical). This user is excluded from all applicable MFA policies with no alternative coverage A user with no CA MFA coverage can sign in without any additional verification. Siemserva runs this check automatically across your tenant and maps every finding to the compliance frameworks below.
Check summary
What this check verifies
User has no Conditional Access MFA coverage (critical). This user is excluded from all applicable MFA policies with no alternative coverage
Why it matters
A user with no CA MFA coverage can sign in without any additional verification. Attackers who compromise this account gain unchecked access to all assigned resources
How to fix it
Add this user to an existing MFA policy or remove exclusions that bypass MFA enforcement
Siemserva flags every tenant where this check fails and, with Senserva Trustworthy AI remediation, can propose a validated fix you approve before it applies.
Ask your own AI about this check
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Compliance framework mappings
Findings from this check serve as evidence for:
References
Related Conditional Access checks
Common questions
What does the Conditional Access User Critical Coverage Gap check verify?
User has no Conditional Access MFA coverage (critical). This user is excluded from all applicable MFA policies with no alternative coverage It is a Critical Severity check in the Conditional Access domain, one of the 650+ checks Siemserva runs across Microsoft 365, Intune, Defender, and Entra ID.
How do I fix a Conditional Access User Critical Coverage Gap finding?
Add this user to an existing MFA policy or remove exclusions that bypass MFA enforcement Siemserva ranks the finding by Severity and, with Senserva Trustworthy AI, can propose a validated, approve-before-apply configuration fix.
Which compliance frameworks does this check evidence?
Findings from this check map to SCuBA, MCSB, NIST, SOC2, CIS, HIPAA, including SCuBA policy MS.AAD.1.1v1, MS.AAD.2.1v1, MS.AAD.2.2v1, MS.AAD.2.3v1, MS.AAD.3.1v1, MS.AAD.3.2v1, and MCSB control IM-6. That mapping is what turns a scan finding into audit evidence.
Can I ask my own AI about this check?
Yes. This page includes a free copy-paste AI prompt carrying the check's facts: what it verifies, the risk, the remediation, and the framework mappings. Paste it into Claude, ChatGPT, or Copilot; cite-worthy detail without giving an AI access to your tenant.
All 672 checks with severities and mappings: the Microsoft 365 security checks catalog.