Stay safe online with Constant Guard®

Included at no additional cost for XFINITY® Internet customers

  • The most comprehensive online protection suite of any Internet provider
  • Valued at $360, and included at no additional cost
  • Securely stores your passwords for easy access to your favorite sites
  • Includes Norton Security Suite, to help protect you against viruses and online threats
Download Free for Windows ® I'm on a Mac
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Stay protected on the go

The Constant Guard® Mobile app, from XFINITY®

Stay safe online with Norton Internet Security

Stay safe online with Constant Guard®

Included at no additional cost for XFINITY® Internet customers

Photo of mobile software
Download Free for Windows ® I'm on a Mac Download Free for Mac ® I'm on a PC Download FREE from the App Store Download FREE from the App Store Download FREE from Google Play

Constant Guard® provides the power to protect your digital life

Stores and safeguards your personal information

You'll never have to click that "forgot your password?" link again. Constant Guard securely stores your personal information, and provides automatic login to your favorite password-protected sites.

Includes Norton Security Suite

Once you have Constant Guard up and running, download Norton Security Suite for top-rated protection against viruses and other online threats.

Keeps you informed of potential security risks

As part of our efforts to protect your online security from viruses, spam, and spyware, we'll send you a Constant Guard Service Notice when your security may be at risk.

Download Free for Windows ® I'm on a Mac

Enhance your security with these FREE add-ons

Enhance Constant Guard with these FREE add-ons

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Norton® Security Suite

Get superior protection against viruses and other online threats, including spyware, Trojan horses, worms, bots, and more. Norton Security Suite is engineered to help keep your computer safe, without slowing you down.

Learn More
  • Available for Windows
  • Available for Mac
Identity Guard icon

Identity Guard®

Enjoy greater peace of mind while surfing, shopping, banking, and social networking online. Identity Guard monitors your personal information, and offers lost wallet protection, unlimited ID recovery services, and more.

Learn More
  • Available for Windows
  • Available for Mac
Constant Guard mobile app icon

Constant Guard® Mobile app

Now you can get added protection for your iPhone®, iPad®, and Android device. The Mobile app securely manages your passwords and personal information, and offers a safer online shopping experience.


Learn more
  • Available for Windows
  • Available for Mac
Xfinity Toolbar

XFINITY® Toolbar

Get instant access to the tools and services you use every day. No more clicking around from page to pageā€”the XFINITY Toolbar has your email, searches, security settings, entertainment, and more, all in one place.

Learn More
  • Available for Windows
  • Available for Mac

Want even more protection?

Upgrade with these plans

Identity Guard: Preferred

Enhance your identity theft protection

Upgrade your Identity Guard plan for credit monitoring, account alerts, and more.

2 Weeks FREE

Learn More

Family Sense®

Guide and protect your kids in today's digital world

Review their social network and mobile activities, and even their location, all in one place.

30 days FREE

Learn More

Help & Support

Getting in Touch

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Report online safety issues

Find resources for where to report illegal online activity, child endagerment issues, and cyberbullying.

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Report virus and firewall issues

Find out where to send firewall logs for when you need to report an intrusion attempt.

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Report phishing and spam issues

Find out how to report phishing emails and spam received in your Comcast Connect mailbox.

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Report annoyance or harassment calls

Learn where to report threatening, obscene, or abusive phone calls, and how to stop survey and telemarketing calls.

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Help that's there when you need it

The Comcast Security Assurance is a dedicated group of security professionals that responds to issues pertaining to phishing, spam, infected PCs, online fraud and other security issues.

How to contact us

Security News & Resources

FCC logo

FCC Launches Online Mobile Security Tool for Consumers

FCC Launches Online Mobile Security Tool for Consumers

In its on-going push to improve mobile safety and security, the FCC today launched a new online tool to help consumers protect their mobile devices.

Read more
Bully photo

What parents should know about cyberbullies

What parents should know about cyberbullies

In one year alone, the National Crime Prevention Council reported a whopping 43% of teens have been victims of cyberbullying. It's often an invisible problem. How bad is it?

Read more