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2 Factor Authentication Login Security

What is two-factor authentication?

Two factor authentication (2FA) is a more secure way of logging in. The identity of you as a user is hereby determined by two factors. You open the digital lock, as it were, not with one key, but with two keys. This means that in addition to entering a username and password, you also need a second factor. This can be in the form of a code that is sent to your smartphone by text message. But a fingerprint, a notification that you accept in a mobile app or face recognition can also be a second factor.

A well-known example of two-factor authentication is used when withdrawing money. The first factor that reveals your identity is the introduction of a bank card (an item that only you have). The second factor that you use to reveal your identity is to enter a pin code (a code that only you know).

Is two-factor authentication 100% secure?

No. Nothing is 100% safe. Imagine that you log in to a website with the password "Password1!". As a second security factor, an email is sent to your mailbox. Your mailbox password is also "Password1!" I think you get the message. This extra layer of security is therefore worthless in this situation.

Two factor authentication is therefore not 100% secure, but it is a whole lot more secure than just using a login name and password. If you have chosen as a second security factor for an unique code that is sent to your smartphone, you make it a lot harder for the hacker. The hacker then not only needs access to your login details, but also access to your smartphone.

Google Authentication

Google Authenticator is a suitable method of 2FA. If you have the Google Authentication app, you can easily turn it into a two-step authenticator for online accounts that support this way of logging in. All you have to do is download the Google Authentication app and activate it once in your online account. A login code is then sent to the app to log in.

iPhone / iPad  -  Download  &  Installation

Android  -  Download  &  Installation