I think an add-in is needed if they don’t use edge
#Blocking access from unmanaged devices
livid monolith
prime crest
Correct, chrome users will need to use the following addon https://chromewebstore.google.com/detail/microsoft-single-sign-on/ppnbnpeolgkicgegkbkbjmhlideopiji?hl=en.
Intune integration is supported natively in edge.
