We'll go into why, but first, let's go through how SMS authentication works and the benefits and drawbacks of using it. What is the SMS authentication procedure? This authentication process is actually fairly straightforward.
Following sign-in, the user receives a text message containing an SMS authentication code. To acquire access, individuals simply type the code into the app or website in question. You've most likely seen this when using Amazon, Facebook, Google, Twitter, and other services. SMS authentication, as a possession-based factor, verifies a user's identification based on something they own (i.e., a mobile phone). In order to acquire illegal access to an account, bad actors would have to make a user's password as well as their phone.
Pros of SMS authentication While SMS authentication is generally discouraged, there are a few reasons why people and organizations continue to utilize it: Passwords are intrinsically weak because users tend to forget them, recycle them across several accounts, or have them stolen owing to poor storage methods (e.g., affixing them on a post-it note). SMS authentication reduces our reliance on passwords while also making it more difficult for bad actors to get access to and hijack accounts.
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