Hi,
Thank you for posting in Microsoft Q&A forum.
1,Per my experience, firstly, you need to create a static webpage that has all the security best practices and content of on the page.
2,Then you can use Administrative Templates to create a policy for Microsoft Edge/Google chrome Home page with the URL in step 1. As shown below:
Refer to: Configure Microsoft Edge policy settings with Microsoft Intune
Thanks for your time. Have a nice day!
Best regards,
Simon
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