Curious about SSO versus FIM for SaaS...

Hi everyone,

I understand the general concept of Single Sign On (SSO) versus FIM (Federated Identity Management). We have SSO at work for a lot of applications, and I'm sure I've seen FIM used on websites where you can log on with your GMail, Twitter or Instagram credentials.

I am curious about the scenario where at work we log into a SaaS tool with our company SSO. Often a SaaS tool will literally have a button like 'Log on with company SSO' that takes the user on a different path from userid/password.

I don't really know how this works on a technical level, but from a theoretical level would this be SSO or FIM?

Also, apologies if there is no clear cut answer to this question... I can totally accept "It depends" as a response.

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