Prevent users signing into O365 via browser outside of the office

Hi all, I'm investigating securing O365 use & access, and hoping to save costs of licencing. Is there a way, outside of buying extra licences (e.g. EMS E3) or conditional access, to prevent users ...

security

Jez Blight

Copper Contributor

Jun 12, 2018

Thanks Vasil, I'll look into that.
Jez

Brian Reid

MVP

Jun 23, 2018

You have not mentioned your company size. ADFS ideally requires multiple servers, possible in more than one site, for HA and then DR. Also with application proxies (WAP server) to protect the ADFS requests from the internet. Each of these need load balancers and Windows Server licences. One reason for needing ADFS in the past was to block legacy auth, but that has just turned up in AAD Premium 1 licences.

So that said, maybe AADP1 licences are not as expensive as ADFS, and you get a load more with AAD than just your authentication platform.

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Prevent users signing into O365 via browser outside of the office