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Previous episode PKCE: how a phone app signs you in with Google when it cannot keep a secret

Sign in with Google: how OAuth lets an app in without your password

Sign in with Google or a password: what an app can and cannot do with your account

Is Sign in with Google safer than a password? What an app can really do with your Google account, what is left when the app gets hacked, and the price you pay for one tap.

  1. 1 The whole supper club signs in with Google now. Look inside Rono's server. For each member, it keeps a refresh token, and the name and email the ID token gave. With them, it can see your calendar every Sunday. Your password is not there.you@mail.examplethe app's serverkept about you:a refresh tokenyour name and emailyour password: no

    The whole supper club signs in with Google now. Look inside Rono's server. For each member, it keeps a refresh token, and the name and email the ID token gave. With them, it can see your calendar every Sunday. Your password is not there.

  2. 2 So how far can it go? Could the app read your email, change your Google password, or sign in to Google as you?supperclubread your email?change yourpassword?sign in toGoogle as you?

    So how far can it go? Could the app read your email, change your Google password, or sign in to Google as you?

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