Deals
iPhone deals
Samsung Galaxy deals
Gift Ideas
Business employee
55+
Military
First responders
Nurses & physicians
Teachers
Union
Credit card
&More Benefits
Explore wireless
Plans & prices
Phones & devices
Upgrade
Bring your own
Add a Line
Switch and save
Trade in your device
International options
Shop new iPhones
iPhone 16
Samsung Galaxy S25
Why AT&T Wireless
Wireless help
More resources
Explore Internet
Plans & prices
Fiber
All-Fi (Wi-Fi)
Check availability
AT&T Internet Air
Moving services
Bundles
Gaming
Home business
Internet help
Internet Speed Test
More resources
Access from AT&T
Explore DIRECTV
TV bundles
DIRECTV help
U-verse help
Explore AT&T PREPAID
Prepaid plans
Phones
Bring your own phone
Prepaid deals
Prepaid account
Activate your service
Lease-to-Own
Home Phone Services
AT&T Phone
AT&T Phone – Advanced
Landline Phone
Lifeline
Phones & accessories
Digital phone help
Landline phone help
Bundles
Internet + DIRECTV
Internet + Wireless
Internet + Phone
Home office
Smart watches & devices
Smart home
In-car Wi-Fi
All accessories
Headphones
Cases
Chargers
Screen protectors
Speakers & smart home
Internet & TV equipment
PopSockets & more
Gadgets & gaming
Accessory deals

Guard against malware

Malware is malicious software that attacks your computer or mobile device. It takes control of functions to capture your personal and financial information.

Signs that malware may be installed

  • Slow performance on your computer or smartphone
  • Unwanted or unfamiliar ads
  • Changes to your Internet browser or homepage
  • Unauthorized account access

Tips to protect against malware

AT&T is not the source of – and can't control – malware. However, we take your security and privacy very seriously. We suggest the following tips and tools to protect against malware:

  • Be careful when clicking on links in emails and text messages.
  • Install, use, and regularly update anti-virus and anti-spyware software.
  • Make sure your operating system (OS) has all the latest security updates.
  • Check online accounts for unauthorized activity.
  • Review trusted online sources for information on protecting your computer.

Computer security

AT&T Internet and DSL customers can help protect themselves and their computers with AT&T AntiVirus Plus powered by McAfee. It's free to qualified customers. It includes anti-virus, anti-spyware, and firewall protection so that you can surf, search, and transact online with confidence.

Mobile security

The AT&T ActiveArmorâ„  mobile security app scans your mobile device and all apps for malware. It looks for Trojans, worms, spyware, and other suspicious software. Mobile Security scans on demand and when app installation occurs. If you select Monitor File Settings, the app also actively monitors your files. Learn how to get AT&T ActiveArmor Mobile security

FTC sites on malware

The Federal Trade Commission (FTC) offers the following information about malware:

You can also report fraud to the FTC.

Last updated: April 30, 2025

Browse topics

Did you get the help you needed?


Did you get the help you needed?