Security checks / Check reference / Tenant-wide

Security Defaults Disabled No Conditional Access

Critical Severity Microsoft 365 security check in the Tenant-wide domain.

Security defaults are disabled and no Conditional Access policies are configured. The tenant has no enforced MFA baseline Without security defaults or Conditional Access, no MFA is enforced and legacy authentication is allowed; credential attacks succeed unchallenged Siemserva runs this check automatically across your tenant and maps every finding to the compliance frameworks below.

Critical SeverityTenant-wide

Check summary

Severity
Critical
Domain
Tenant-wide
Rank in domain
5
Frameworks
5

What this check verifies

Security defaults are disabled and no Conditional Access policies are configured. The tenant has no enforced MFA baseline

Why it matters

Without security defaults or Conditional Access, no MFA is enforced and legacy authentication is allowed; credential attacks succeed unchallenged

How to fix it

Entra admin center → Identity → Overview → Properties → Manage security defaults (enable as immediate baseline); or deploy these minimum CA policies: 1. Require MFA for all users (All users, All cloud apps, Grant: Require MFA); 2. Block legacy auth (All users, All cloud apps, Condition: Legacy auth clients, Block); 3. Require MFA for admin roles. Test each in Report-only mode before enforcing

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:

SCuBAMCSBNISTSOC2CISMCSB IM-6MCSB IM-7

References

learn.microsoft.com: /security/benchmark/azure/mcsb-identity-management...learn.microsoft.com: /entra/identity/conditional-access/overview...

Related Tenant-wide checks

App Mgmt No Cert Lifetime RestrictionApp Mgmt No Secret Lifetime RestrictionApp Mgmt Policy DisabledAuth Policy Guest Invite UnrestrictedAuth Policy Guest Same As MemberAuth Policy Msol Not BlockedAuth Policy Users Can Create Security GroupsAuth Policy Users Can Create Tenants

Common questions

What does the Security Defaults Disabled No Conditional Access check verify?

Security defaults are disabled and no Conditional Access policies are configured. The tenant has no enforced MFA baseline It is a Critical Severity check in the Tenant-wide domain, one of the 650+ checks Siemserva runs across Microsoft 365, Intune, Defender, and Entra ID.

How do I fix a Security Defaults Disabled No Conditional Access finding?

Entra admin center → Identity → Overview → Properties → Manage security defaults (enable as immediate baseline); or deploy these minimum CA policies: 1. Require MFA for all users (All users, All cloud apps, Grant: Require MFA); 2. Block legacy auth (All users, All cloud apps, Condition: Legacy auth clients, Block); 3. Require MFA for admin roles. Test each in Report-only mode before enforcing 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, and MCSB controls IM-6, IM-7. 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.

Sponsored by Senserva

Siemserva by Senserva runs this check, Security Defaults Disabled No... for example, across your own tenant: which tenants pass, which fail, ranked by Severity with the evidence attached.

  • 650+ Microsoft 365, Intune, Defender, and Entra ID checks in one scan
  • Findings mapped to SCuBA, CIS, NIST, HIPAA, SOC 2, and MCSB for audit-ready evidence
  • Senserva Trustworthy AI driven configuration remediation: validated, approve-before-apply fixes
  • Optional AI Enhanced Reporting: plain-language summaries and recommended next steps written into your reports
  • Multi-tenant and MSP practices, with bulk tenant audits and client-ready reporting
Compliance Status Report
Security Defaults Disabled No... across 2 tenants, ranked by Severity
23
FAILING
87
PASSING
41
OTHER FINDINGS
CHECKSEVERITYSTATUSFINDINGS
Security Defaults Disabled No...CriticalFAILING23
MFA for all usersCritical-11
Legacy authentication blockedHigh-6
Estimated report, sample data for illustration
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Microsoft 365 compliance and audit evidence
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Reference: the compliance and audit guide, and the full checks catalog.
Data notice: check definitions describe what Siemserva verifies and are provided as is, for informational purposes only, without warranty of any kind. Framework mappings are informational and do not constitute compliance advice; confirm requirements with your assessor. All use of this data is subject to the Senserva EULA.