Replacing MemberOf in Entra after it is deprecated

Microsoft is phasing out the memberOf option in Entra Dynamic Groups, in November. https://learn.microsoft.com/en-us/entra/identity/users/groups-dynamic-rule-member-of This was in preview, but thousands upon thousands of tenants are of course using this in production. Microsoft thus may delay, but in either case, this called for a replacement. A good plan and Claude to the rescue! A simple azure ……