UPDATE 2nd May 2022. Microsoft Defender for Business is now generally available. Please see New endpoint security for small and medium businesses now available with Defender for Business. - Mi...
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Updated Apr 17, 2025
Version 5.0
Blog Post
i have no idea on lighthouse
DFB can be installed and onboard without intune.
But it is problematic
They gave you the license called MDE security management.
It is an intune lite...Let you on board the endpoint management console.
But you will have a big problem for the devices to talk between Defender end endpoint.
if they cannot communicate your device is still working with MDFB but without policy.