What is the AT&T ActiveArmor® mobile security app?

When your phone is your life, protecting it and what is on it is important. But you need multi-level protection to keep it safe from spammers, hackers, and any number of bad actors who want access to your phone for nefarious reasons.

Luckily, there’s something you can do to help stop them in their tracks: download the free AT&T ActiveArmor^® mobile security app, which is available exclusively for AT&T customers. When you download and the activate ActiveArmor app on your phone, it helps to block spam calls, manage and block unwanted callers, alerts you to company breaches, and more.¹

Also, with ActiveArmor advanced can find out when your information has been found on the dark web² (available on the paid version of the app) get fraud detection, identity and financial protection in one powerful solution

Every AT&T wireless customer receives ActiveArmor as a free benefit. To activate it, all you need is AT&T Wireless or AT&T PREPAID service.

The free version of AT&T ActiveArmor is included with every plan and includes:

• Fraud and spam call blocking
• Device security (features vary by OS)
• Data breach alerts

But to really amp up your digital safety, opt for AT&T ActiveArmor Advanced. It can be added to any plan for $7/mo.³ In addition to the benefits of the free version of ActiveArmor, ActiveArmor Advanced helps keep your data private on open Wi-Fi^®, helps keep you safe from malicious websites, monitors your personal IDs, provides financial and credit monitoring, offers identity fraud insurance, identity restoration services and more:

• Caller ID and reverse number lookup
• Public Wi-Fi protection (VPN)
• Safe browsing, banking, and shopping protection
• Financial protection
• $1 million identity fraud insurance
• Credit monitoring
• Identity monitoring
• 24/7 U.S.-based lost wallet and ID restoration services

To get ActiveArmor mobile security added to your smartphone, just download and install the free app from the app store. Once it’s installed, open the app to see the five categories of mobile security: Calls & Texts, Device, Finance, Internet, and ID & Passwords.

You can work through each category to customize your security preferences, including block and manage spam calls, breach report alerts setup, enable device security to help protect your personal data, and more.

Ready to start protecting your phone and personal data with the ultimate cybersecurity to help protect your identity, phone, and finances?⁴ Download AT&T ActiveArmor today!

¹May not detect all threats and may inadvertently block wanted calls; settings can be adjusted in the app.
²May not detect all compromises or leaks of your personal data.
³ActiveArmor Advanced is $7/mo. Subscription auto renews and bills monthly unless canceled. Included at no extra cost with AT&T Unlimited Premium PL/Extra EL plans.
⁴ Requires compatible device/service and download of ActiveArmor app. Data charges may apply. Other terms and restr’s apply. Details at https://www.att.com/activearmorapp.

This article was updated by Zoya Cochran on April 7, 2026. Updated on Oct 9, 2025, to add video.

This article is AT&T sponsored content written by Carly Milne, a former TechBuzz contributor. The statements in this article are her own and don’t necessarily represent the positions, strategies, or opinions of AT&T.