I hate to break it to you but SMS is some other company's product. Google Authen... | Hacker News

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		modeless on March 27, 2015 \| parent \| context \| favorite \| on: Slack was hacked I hate to break it to you but SMS is some other company's product. Google Authenticator is not a cloud service; it's simply an implementation of the TOTP RFC and there are others available if you hate Google so much that you don't trust a purely local app written by them.

__david__ on March 27, 2015 [–]

An open source one at that!

https://github.com/google/google-authenticator/

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