Authenticator Apps vs. SMS Authentication: Choosing the Safer Option

When it comes to securing your online accounts, Multi-Factor Authentication (MFA) is needed. It can be multiple authentication options such as facial recognition, SMS authentication, authenticator apps, or fingerprint method. All these options add an extra layer of protection to your accounts.

However, the choice between using an authenticator apps or SMS-based authentication is an important topic to consider. Let’s start tackling this topic and start with the basics.

Understanding the Usage of Authenticator Apps

Here at BEI, we prefer using the Microsoft Authenticator App or Google Authenticator. These tools have become an essential part of our daily work process. We come to work, login, and BAM we get hit with an authentication method. It may be hassle for some but in fact, MFA is easier than you think.

These authenticator apps generate one-time passwords (OTP) that make it harder for unauthorized individuals to gain access to our accounts.

The Pros and Cons of SMS Authentication

SMS authentication, also known as one-time passwords (OTPs) sent via text message, is a widely used method for verifying user identity and adding an extra layer of security to online accounts. While SMS authentication offers several benefits, it also has some drawbacks that users should be aware of.


  1. Receiving a one-time code via text message is simple and straightforward.
  2. Most online services and applications support SMS authentication for security.
  3. It is an accessible authentication method for most users.


  1. Individuals may have quick access to SMS once phone is lost/stolen.
  2. SMS relies on the availability of mobile networks, when you don’t have signal, you won’t be able to get the OTP.
  3. The transmission of OTPs over SMS raises privacy concerns, as messages can potentially be cracked by third parties.

Comparing the Security of SMS vs. Authenticator Apps

Both methods offer two-factor authentication (2FA) but they differ in their level of security. The choice ultimately depends on the users preferences and security needs.

SMS-based 2FA has long been a go-to method for adding an extra step to the login process. It is a reliable way to add an extra layer of security. However, it has become increasingly vulnerable to attacks like SIM swapping, where hackers can intercept the one-time codes sent via text message.

Authenticator apps often support additional security features, such as biometric authentication and the ability to backup your information. This means you can easily restore your accounts if you lose your device, without the risk of your information being gone.

Wrap Up: Both SMS and Authenticator Serve an Important Purpose

In conclusion, both options offer valuable protection. The best part? You don’t have to choose just one. You can combine both authenticator and SMS authentication to give you the ultimate security.

Imagine the peace of mind you’ll have knowing you have different options and that your accounts are safeguarded by not just a single password.

Let’s embrace the awesome advancement which is the Multi-Factor Authentication.

Secure your accounts now with BEI!