Beyond Text Messages: Why Authenticator Apps Are a Critical Security Upgrade
- AnewVista Staff
- Jan 16
- 4 min read
In a recent post, we discussed the alarming rise of SIM Swap attacks, where criminals trick phone carriers into transferring your phone number to their device. If a hacker controls your phone number, they also control those six-digit security codes sent via text message when you try to log into your bank or email.
It is a frightening thought, but knowing the risk is the first step toward fixing it.
While Two-Factor Authentication (2FA)—using a second step to verify it’s you, is essential, relying solely on text messages is becoming increasingly risky. Fortunately, there is a free, easy-to-use alternative that offers significantly stronger protection: an Authenticator App.
Why Text Message Codes Have Security Risks
For years, websites have told us that receiving a code via text message is the standard way to secure an account. And to be clear: using text message verification is still better than using no second step at all.
However, standard text messaging was never designed to be secure. It has two major weaknesses that modern hackers exploit:
SIM Swapping: As we mentioned, if a criminal steals your phone number, those text codes go straight to their phone, not yours.
Interception: Sophisticated attackers can sometimes intercept text messages as they travel over mobile networks.
Think of a text message code like a postcard sent through the mail; anyone handling it along the way could potentially read it.
What is an Authenticator App?
An authenticator app (like Google Authenticator or Microsoft Authenticator) is a free app you download onto your smartphone.
Think of it as a digital version of those little electronic key fobs that some banks used to issue. Once set up, the app generates brand new six-digit security codes right on your phone screen every 30 seconds.
When you log into a website, instead of waiting for a text, you simply open the app, look at the current code, and type it in. Because the code is generated on your phone and not sent through the air, hackers can't intercept it.
You Don't Need This for Everything
One common mistake people make is trying to use an authenticator app for every single account they own. Suddenly, they open their app and have to scroll through 50 different codes just to find the one they need. That is confusing, frustrating, and unnecessary!
Our advice: Only use an Authenticator App for your "High Value" accounts.
You don't need Fort Knox security for your recipe website or a coupon account. If those accounts get hacked, it is annoying, but not life-changing. Instead, focus on protecting the "Big Three":
Your Email Account: This is the "Master Key" to your digital life. If a hacker gets into your email, they can reset the passwords for everything else.
Financial Accounts: Your bank, credit union, retirement (401k/IRA), and investment accounts.
Primary Social Media: If you use Facebook or Instagram to connect with grandkids, secure it to prevent hackers from messaging your family pretending to be you.
For everything else, standard text message verification is perfectly fine. Keep your Authenticator App clean and clutter-free so it remains easy to use.
Getting Started Is Easier Than You Think
Many older adults hesitate to switch because "it sounds complicated." We promise you, it is not.
The general process involves downloading the app, going to the security settings of the website you want to protect (like Gmail or Amazon), and using your phone’s camera to scan a square QR code on the screen. That links the two together.
Important Tip: When setting this up, websites will often give you a list of "backup codes." Print these out and keep them in a safe place at home. These are your emergency keys if you ever lose your phone.
Don't let fear of the unknown stop you from upgrading your security. Moving your most important accounts from texts to an app is one of the smartest digital moves you can make.
Watch our class on authenticator apps:
Empowering Seniors in the Digital Age AnewVista Community Services is a 501(c)(3) non-profit organization focused on helping you navigate technology with confidence.
Take a Class: Register for our always-free sessions (live on Zoom or in-person) at www.anvcs.org.
Watch & Follow: Connect with us on Facebook, Instagram, and YouTube for daily tips and updates.
Listen: Find our podcast, Tech Talk - Unfiltered, by searching "ANVCS" on Spotify or Apple Podcasts.
Empowering Seniors in the Digital Age AnewVista Community Services is a 501(c)(3) non-profit organization focused on helping you navigate technology with confidence.
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Your Guide to Digital Confidence
Empowering Seniors in the Digital Age AnewVista Community Services is a 501(c)(3) non-profit organization focused on helping you navigate technology with confidence.
Take a Class: Register for our always-free sessions (live on Zoom or in-person) at www.anvcs.org.
Watch & Follow: Facebook (https://www.facebook.com/AnewVista/)
Instagram (@anewvistacs), and YouTube for daily tips and updates.
Listen: Find our podcast, Tech Talk - Unfiltered, by searching "ANVCS" on Spotify or Apple Podcasts.
We're dedicated to empowering seniors to thrive in the digital world. Visit our website or call us today!
For more technology tips for seniors, visit us at www.anvcs.org or send an email to info@anvcs.org where we make learning easy.
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