Hello KimDongHyun,
We’re thrilled to announce that the reworked Smart Group feature is now live with Endpoint Protector Server 2509! 
This enhancement might address the use case you’ve previously described, so we encourage you to explore the latest release notes and dive deeper into the improved feature. You can find all the details in our latest Community Announcement here:
Major Version Announcement – Endpoint Protector Server Version 2509
We’d love to hear your feedback — let us know how it works for you!
All the best,
Simona