What happens is that the app syncs a key with the account and that key then uses time-based factors to change the password frequently. That six-digit code remains a secret as Google Authenticator does not connect with the server, apart from the time you are registering the account by scanning a QR-code. Google’s Authenticator is a mobile application installed in users’ mobile phones, which generates random six-digit codes to provide login access to you on your Google services or any other app which support third-party app authentication, such as Facebook. Google Authenticator was initially released in 2010, it never crossed people’s head until a lot longer after that. So, Google leaped towards advanced two-factor authentication via Google Authenticator application. Either by sending fraudulent emails demanding your passcodes or by breaching servers of network operators. Though it was thought that this would prevent any kind of breach, phishing attackers somehow found a way to access that code. You add up a number to your Google Account and every time you wish to log in any of the Google services you’d be asked to enter a six-digit passcode received on your verified phone number. The most common form of two-factor authentication was SMS verification. Google has been keen on keeping user data safe for a long while now. How different it is from other means of 2FA and how it ensures more security? Two-Factor Authentication with Google Image: How To Geek Google has recently added your phone as a security key for logging in to your accounts, thus making it difficult for attackers to hijack your account without physical access to your phone.
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