Security checks / Check reference / Purview sensitivity labels
Purview Label Mandatory Labeling Disabled
High Severity Microsoft 365 security check in the Purview sensitivity labels domain.
Mandatory sensitivity labeling is disabled in the tenant label policy settings. When mandatory labeling is off, users are not required to apply a sensitivity label before saving Office files or sending emails. Siemserva runs this check automatically across your tenant and maps every finding to the compliance frameworks below.
Check summary
What this check verifies
Mandatory sensitivity labeling is disabled in the tenant label policy settings.
Why it matters
When mandatory labeling is off, users are not required to apply a sensitivity label before saving Office files or sending emails.
How to fix it
Sensitive content routinely leaves the tenant unclassified, which means downstream DLP, encryption, and rights management never engage.
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:
Related Purview sensitivity labels checks
Common questions
What does the Purview Label Mandatory Labeling Disabled check verify?
Mandatory sensitivity labeling is disabled in the tenant label policy settings. It is a High Severity check in the Purview sensitivity labels domain, one of the 650+ checks Siemserva runs across Microsoft 365, Intune, Defender, and Entra ID.
How do I fix a Purview Label Mandatory Labeling Disabled finding?
Sensitive content routinely leaves the tenant unclassified, which means downstream DLP, encryption, and rights management never engage. 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 MCSB, NIST, SOC2, HIPAA, and MCSB controls DP-1, DP-2. 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.