How does Google 2-step authentication identify a computer?
How does it know i have verified this device before? and that it hasn't passed 30 days?
Are we using cookies here?
How does Google 2-step authentication identify a computer?
How does it know i have verified this device before? and that it hasn't passed 30 days?
Are we using cookies here?
It's done with cookies. The 2-step process just makes sure that you are who you claim to be, or at least makes it a little harder to get around simple password authentication.