Why do both soft tokens work? (this prob doesn't belong in Forefront but it was the only selection avail) (Network Steve Forum)

Why do both soft tokens work? (this prob doesn't belong in Forefront but it was the only selection avail)

Hi all -

Trying to wrap my head around what I suspect is an easy answer. In light of the recent LastPass 'hack' I decided to enable two-factor authentication. I had Google authenticator already on my iPhone but as a MSFT person decided to download and install MSFT authenticator as well. I enrolled both applications with LastPass by scanning a bar code into each.

When I log into LastPass it prompts for my soft token code from Goodle Authenticator which works a treat. What perplexes me is that I can ALSO use my MSFT Authenticator soft token, which is a completely different code, to authenticate.

How can I use one of two very codes to authenticate? How does LastPass know which authenticator I'm using? I'm very confused but I'm sure it all makes sense. DOes anyone have a layman's explanation?

June 17th, 2015 7:10am

Try the LastPass forums

https://forums.lastpass.com/

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July 16th, 2015 7:57pm

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