Microsoft Defender for Endpoint (MDE) must enable Live Response for Servers.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-275990	SRG-APP-000279	MSDE-00-001050	SV-275990r1119720_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 allows users with Live Response privileges to connect remotely to servers (Windows Server or Linux devices) they are authorized to access.

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 allows users with Live Response privileges to connect remotely to servers (Windows Server or Linux devices) they are authorized to access.

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 "Live Response for Servers" is set to "On". If the slide bar for "Live Response for Servers" 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 "Live Response for Servers" to "On".