2 new Microsoft Defender features added in the latest Windows 11 update (stable) build 22631.3447

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New Microsoft Defender Features

These are the features added today to Windows 11 stable channel build 22631.3447 on 4/9/2024

DisableCoreServiceECSIntegration

It offers the ability to disable Microsoft Defender Core Service and the Experimentation and Configuration Service (ECS).

Here is the official Microsoft article about this feature that was first created 2 weeks ago:
https://learn.microsoft.com/en-us/microsoft-365/security/defender-endpoint/microsoft-defender-core-service-configurations-and-experimentation

Here is how to use it

Caution

Not recommended as stated in the article above.

Set-MpPreference -DisableCoreServiceECSIntegration $true

At this point in time, that specific parameter is undocumented. Neither the Defender CSP nor the the Set-MpPreference mention that.

The parameter accepts boolean values.

DisableCoreService1DSTelemetry

This one is equally undocumented and sounds like it offers to disable some telemetry. Will have to wait for official docs.