Security checks / Check reference / Email security

Link SCuBA Exo Link Protection

High Severity Microsoft 365 security check in the Email security domain.

SCUBA/CISA baseline check: Exchange Online Safe Links protection configuration Verifies that URL detonation and click-time protection are enabled Users reach late-redirect phishing pages, enabling AiTM (adversary-in-the-middle) capture of credentials and session cookies at click time Siemserva runs this check automatically across your tenant and maps every finding to the compliance frameworks below.

High SeverityEmail securitySCuBA MS.DEFENDER.1.1v1

Check summary

Severity
High
Domain
Email security
Rank in domain
4
Frameworks
5

What this check verifies

SCUBA/CISA baseline check: Exchange Online Safe Links protection configuration Verifies that URL detonation and click-time protection are enabled

Why it matters

Users reach late-redirect phishing pages, enabling AiTM (adversary-in-the-middle) capture of credentials and session cookies at click time

How to fix it

Enable Safe Links across Email, Teams, and Office apps; block click-through for malicious URLs; keep exceptions tight and review user-reported phishing

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:

SCuBAMCSBNISTSOC2CISSCuBA MS.DEFENDER.1.1v1SCuBA MS.DEFENDER.1.2v1SCuBA MS.DEFENDER.1.3v1SCuBA MS.DEFENDER.1.4v1SCuBA MS.DEFENDER.1.5v1SCuBA MS.DEFENDER.2.1v1SCuBA MS.DEFENDER.2.2v1SCuBA MS.DEFENDER.2.3v1SCuBA MS.DEFENDER.3.1v1SCuBA MS.DEFENDER.4.1v2MCSB LT-1MCSB LT-3

References

learn.microsoft.com: /defender-office-365/safe-links-policies-configure...learn.microsoft.com: /security/benchmark/azure/mcsb-logging-threat-dete...www.cisa.gov: /resources-tools/services/m365-exchange-online...

Related Email security checks

Malware SCuBA Exo Malware ScanningPhish SCuBA Exo Phishing ProtectionsSpam SCuBA Exo Inbound Anti Spam Protections

Common questions

What does the Link SCuBA Exo Link Protection check verify?

SCUBA/CISA baseline check: Exchange Online Safe Links protection configuration Verifies that URL detonation and click-time protection are enabled It is a High Severity check in the Email security domain, one of the 650+ checks Siemserva runs across Microsoft 365, Intune, Defender, and Entra ID.

How do I fix a Link SCuBA Exo Link Protection finding?

Enable Safe Links across Email, Teams, and Office apps; block click-through for malicious URLs; keep exceptions tight and review user-reported phishing 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, including SCuBA policy MS.DEFENDER.1.1v1, MS.DEFENDER.1.2v1, MS.DEFENDER.1.3v1, MS.DEFENDER.1.4v1, MS.DEFENDER.1.5v1, MS.DEFENDER.2.1v1, MS.DEFENDER.2.2v1, MS.DEFENDER.2.3v1, MS.DEFENDER.3.1v1, MS.DEFENDER.4.1v2, and MCSB controls LT-1, LT-3. 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, Link SCuBA Exo Link Protection 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
Link SCuBA Exo Link Protection across 2 tenants, ranked by Severity
23
FAILING
87
PASSING
41
OTHER FINDINGS
CHECKSEVERITYSTATUSFINDINGS
Link SCuBA Exo Link ProtectionHighFAILING23
MFA for all usersCritical-11
Legacy authentication blockedHigh-6
Estimated report, sample data for illustration
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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.