Security checks / Check reference / Intune configuration
Intune Policy Attack Surface Reduction Block Executable Files Unless Prevalence Age Trusted List Criterion
Medium Severity Microsoft 365 security check in the Intune configuration domain.
ASR rule to block executable files unless they meet prevalence, age, or trusted list criteria is not enabled This rule blocks executables that are new, rare, or untrusted It prevents zero-day malware and custom payloads from running without reputation Siemserva runs this check automatically across your tenant and maps every finding to the compliance frameworks below.
Check summary
What this check verifies
ASR rule to block executable files unless they meet prevalence, age, or trusted list criteria is not enabled
Why it matters
This rule blocks executables that are new, rare, or untrusted It prevents zero-day malware and custom payloads from running without reputation
How to fix it
Enable ASR rule to block executable files unless prevalence/age/trusted list criteria are met
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 Intune configuration checks
Common questions
What does the Intune Policy Attack Surface Reduction Block Executable Files Unless Prevalence Age Trusted List Criterion check verify?
ASR rule to block executable files unless they meet prevalence, age, or trusted list criteria is not enabled It is a Medium Severity check in the Intune configuration domain, one of the 650+ checks Siemserva runs across Microsoft 365, Intune, Defender, and Entra ID.
How do I fix a Intune Policy Attack Surface Reduction Block Executable Files Unless Prevalence Age Trusted List Criterion finding?
Enable ASR rule to block executable files unless prevalence/age/trusted list criteria are met 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, and MCSB controls ES-1, ES-4. 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.