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Protect your smartphone against threats

Learn how the AT&T Mobile Security app helps defend your phone against security threats. Enjoy more security features with select AT&T unlimited plans.


Standard mobile security features

With AT&T Mobile Security, you can enjoy these features:1

App monitor (Android® only)
Scans your device proactively and warns you about potentially unsafe apps.

Breach reports 
Sends email and app alerts when Mobile Security detects a data breach that may affect you. You’ll also get helpful tips about what to do next.

Email threat detection
Checks for malware or spyware in email downloads and attachments. It doesn’t scan individual emails.

Malware scans (Android only) 
Looks for malware, like Trojans, worms, spyware, and ransomware, on smartphones and apps. Plus, it actively monitors your files if you select File Security.

Passcode check (iOS only) 
Checks if your smartphone uses a passcode to protect your device and data from unauthorized access.

System update (iOS only) 
Lets you know if it’s time to update your phone’s operating system, or if something changes your smartphone’s operating system. If it finds an issue, you’ll get a notice and the Device Security section on the Mobile Security home screen will turn red. It stays red until you select Device Security to get more details about fixing the issue.

Threat alerts 
Turns the affected feature’s icon red when Mobile Security identifies a threat to your smartphone.
  • You’ll get a notification and the icon will stay red until you act.
  • Selecting the icon gives you info about the threat and options to resolve it.
  • The app doesn’t automatically delete the files or apps.
  • If you check your files, you may also get pop-up alerts telling you how to handle threats.
Heads up: If you have an AT&T 4GBSM or AT&T Unlimited StarterSM plan, see the Advanced or standard mobile security for select plans section.

Advanced mobile security features

With AT&T Mobile Security Plus, you enjoy the same features as the Basic version but with more data protection. Try AT&T Mobile Security & Call Protect Plus for just $3.99 a month. To get the Plus version, open the app and tap Unlock Plus.Already have AT&T Unlimited EliteSM or AT&T Unlimited ExtraSM? See the Advanced or standard security for select plans section to find out how you can get advanced mobile security at no cost.

AT&T Mobile Security Plus features
        • Secure Wi-Fi VPN protects your data over open (unsecured) Wi-Fi® connections.
        • Safe Browsing helps keep your smartphone safe from the latest online threats with real-time protection.
        • Breach reports alert you to company data breaches, along with helpful tips.
        • Personal ID Monitor notifies you when your personal info is found on the dark web. This is a hidden part of the internet criminals use to buy and sell info, like your email address or passport number.
        • Wi-Fi alerts warn you if you join a potentially dangerous network.
        • Theft alerts email you about suspicious activity detected on your phone.

AT&T Call Protect Plus features
      • Enhanced Caller ID identifies unknown caller details.
      • Reverse Number Lookup provides caller details when you enter a U.S. number.
      • Custom Call Controls (Custom Call Blocking) let you choose which types of calls you want to allow, block, or send to voicemail. Categories include Telemarketer, Political, Fraud, and more.

Advanced or standard security for select AT&T Wireless plans

AT&T Unlimited Elite or AT&T Unlimited Extra
If you have Unlimited Elite or Extra, you’ll enjoy advanced mobile security features at no extra charge starting August 7, 2020. Advanced mobile security1 includes access to Mobile Security Plus and Call Protect Basic features.

Good to know: Advanced mobile security isn’t the same as the AT&T Mobile Security and Call Protect Plus, which costs $3.99 per month.
  • If you’re on a select unlimited plan with AT&T Wireless, be on the lookout for a text explaining how to activate your advanced mobile security at no cost.
  • If you’re paying for this service through your AT&T bill, you can decide which features are important to you. Then choose to:
  • Change to the advanced mobile security for free - and discontinue your Call Protect Plus features (Caller ID, Reverse Number Lookup, and Custom Call Controls). To make the change, sign in to myAT&T and remove the Mobile Security & Call Protect app. Then choose Mobile Security Plus for Unlimited Plans.
  • Keep paying $3.99 per month for AT&T Mobile Security and Call Protect Plus and enjoy all the advanced features of both apps.
  • If you subscribed thru iTunes or the Google Play Store, pay $3.99 per month for the service, and want to change to advanced mobile security, you’ll have to cancel your subscription from the app store. Then wait until your subscription bill period ends before you can download and activate the Mobile Security app at no charge at

AT&T 4GB or AT&T Unlimited Starter

Have AT&T 4GB? You’ll enjoy standard mobile security1 starting September 25, 2020. Or, if you have Unlimited Starter, you’ll enjoy standard mobile security1 at no extra charge as of August 7, 2020. Standard mobile security includes access to Mobile Security Basic and Call Protect Basic features.

See all important details
Last updated: January 25, 2021

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