Microsoft Defender for Endpoint (MDE) must enable Download quarantined files.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-275988	SRG-APP-000279	MSDE-00-000950	SV-275988r1119718_rule	2025-07-15	1

Description
Malicious code protection mechanisms include, but are not limited to, antivirus and malware detection software. To minimize potential negative impact to the organization that can be caused by malicious code, it is imperative that malicious code is identified and eradicated. This setting backs up quarantined files in a secure and compliant location so they can be downloaded directly from quarantine.

Description

Malicious code protection mechanisms include, but are not limited to, antivirus and malware detection software. To minimize potential negative impact to the organization that can be caused by malicious code, it is imperative that malicious code is identified and eradicated. This setting backs up quarantined files in a secure and compliant location so they can be downloaded directly from quarantine.

ℹ️ Check
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 "Download quarantined files" is set to "On". If the slide bar for "Download quarantined files" is not set to "On", this is a finding.

✔️ Fix
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 "Download quarantined files" to "On".