Internet security included

Rest easier knowing you’re protected with Norton Security Suite, included at no additional cost.

Norton Security for Windows and Mac

Get protection against Windows and Mac viruses and other online threats including spyware, Trojans, worms and more.

Included with your XFINITY Internet subscription ($160 value)

Upgrade to Norton Mobile Security

Locate your lost mobile device, detect and remove mobile threats, and get anti-phishing protection. 

$19.99/year (plus taxes and fees)

Parental Controls

Help Keep Your Kids Safe

Parental Controls

Monitor, set device time limits, get warnings of unsafe behavior, and more, with Norton Security Family Suite. This award-winning online security software gives you all the protection of Norton Security plus other features to keep your family safe in today’s connected world. 

Stay Safer Online

Here's what you can do in addition to installing security software

  • Set up a firewall to protect yourself online
  • Use a passcode or touch ID on your mobile devices
  • Secure your wireless network
  • Keep all your software and apps up to date
  • Educate yourself about common threats
  • Change the default password on your modem
Constant Guard


Your security is our top priority, that is why we provide every XFINITY customer with top-rated security options. You not only get a suite of anti-virus tools, you get peace of mind.


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* Included in XFINITY Internet service of 25 mbps or above at no additional cost. ‘Best in-home WiFi’ claim based on March 2016 study by Allion Test Labs, Inc. of router performance. ‘Fastest Internet and best in-home WiFi’ compares XFINITY Gigabit service and fastest available download/upload speeds from competitive providers.  WiFi claim based on XFINITY Gigabit service, router coverage and speed on 5 GHz band.

* Not all services and features available in all areas. Limited to Economy Plus service to a single outlet and requires subscription to either to XFINITY Digital TV or Voice service at regular rates. Pricing subject to change. Equipment, installation, and taxes extra. Actual speeds vary and are not guaranteed. Based on the top 10% download speeds of Internet service providers reported at Actual speeds vary. Speedtest is a trademark of Ookla, LLC. Used under license. Not all features, including Constant Guard™ Protection Suite, are available with Macintosh systems. 30-Day Money-Back Guarantee applies to one month’s recurring service charge and standard installation up to $500. Call for restrictions and complete details. © 2016 Comcast. All rights reserved. Norton is a trademark of Symantec Corporation. CONSTANT GUARD™ and associated logos are trademarks or federally registered trademarks of Comcast Corporation. 
Based on April 2013 study by Allion Test Labs, Inc. 'Reliably fast' claim: FCC, ‘Measuring Broadband America, July.
Used under license from Fastest ISPs 2011.

Top Ten Reviews rates XFINITY® Internet 9.6/10! As reviewed by Nicole Tripp.