Create an endpoint device group in Microsoft 365 Defender

Create an endpoint device group in Microsoft 365 Defender for devices that start with "NYC"

Portal.microsoft.com

Scroll down and click Show all

Click Security

Scroll down and click Settings

Click Endpoints

Scroll down and click Device groups

Click Roles

Click Device group name

Type Device group name

Click highlight

Click Add new rule

Click Next

Click Show preview

Click Next

Click Continue

Click Done