STIGQter: STIG Summary: Microsoft Defender for Endpoint Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 05 Jan 2026:

Microsoft Defender for Endpoint (MDE) must enable Allow or block file.

DISA Rule

SV-275980r1119710_rule

Vulnerability Number

V-275980

Group Title

SRG-APP-000279

Rule Version

MSDE-00-000550

Severity

CAT II

CCI(s)

CCI-001243 - Configure malicious code protection mechanisms to block malicious code; quarantine malicious code; and/or take organization-defined action(s) in response to malicious code detection.

Weight

Fix Recommendation

Access the MDE portal as a user with at least an MDE Administrator or equivalent role:

1. In the navigation pane, select Settings >> Endpoints >> Advanced features (under General).
2. Set the slide bar for "Allow or block file" to "On".

Check Contents

Access the MDE portal as a user with at least an MDE Administrator or equivalent role:

1. In the navigation pane, select Settings >> Endpoints >> Advanced features (under General).
2. Verify the slide bar for "Allow or block file" is set to "On".

If the slide bar for "Allow or block file" is not set to "On", this is a finding.

Vulnerability Number

V-275980

Documentable

False

Rule Version

MSDE-00-000550

Severity Override Guidance

Access the MDE portal as a user with at least an MDE Administrator or equivalent role:

1. In the navigation pane, select Settings >> Endpoints >> Advanced features (under General).
2. Verify the slide bar for "Allow or block file" is set to "On".

If the slide bar for "Allow or block file" is not set to "On", this is a finding.

Check Content Reference

Target Key

5693