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I don't understand how it works or could possibly work. How is your app going to detect that someone is accessing one of my accounts from Israel, as indicated in your screenshot?

Do you have software running on google's servers so that it knows what IP addresses are accessing gmail/evernote/one of the other services and can geolocate? (Obviously not). So how is this supposed to work?

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If you scroll to the bottom in Gmail you can see a "Last account activity: 1 hour ago: Details" link. If you click that you can see everyone who logged on.

As far as I know, there's no official API to access this data. And that data definitely isn't available for all the services regardless.

This shows sessions across all Google products:

https://security.google.com/settings/security/activity?pli=1

Thanks for this. I actually found 2 devices that I didn't recognize.

Good point. So they're repeatedly logging into your Gmail account and scraping the text from the page? Not a very elegant solution but I guess it works.

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