Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of Web Threat Shield

Web Threat Shield by Webroot.com

Keeps you safe when browsing the web by identifying and blocking dangerous websites.

Some features may require paymentSome features may require payment
4.2 (57 reviews)4.2 (57 reviews)
242,143 Users242,143 Users
You'll need Firefox to use this extension
Download Firefox and get the extension
Download file

Extension Metadata

Screenshots
About this extension
The Internet can be a scary place. Wouldn’t it be great if you could tell which sites were dangerous before it was too late? Now you can with the Webroot® Web Threat Shield.

The Webroot Web Threat Shield offers top-of-the-line defense against cybercrime while browsing the internet. It warns about unsafe websites before you click, and automatically blocks bad ones trying to install viruses and malware on your computer. You’ll have peace-of-mind knowing personal information like passwords and credit card details are safe.

The Webroot Web Threat Shield also provides up-to-the-minute data about website reputations and real-time protection against phishing sites.

The Webroot Web Threat Shield is available as a feature of our award-winning internet security that protects PCs, Mac computers, and mobile devices. Copy and paste the link below into the address bar above to learn which type of security is right for you. [https://www.webroot.com/us/en/home/products/helpmechoose]

If you are already using a Webroot Product, locate the keycode used to activate your subscription and click “GET” at the top of your screen. If you can’t find your keycode, copy and paste the link below in the address bar above and we’ll help you find it. [https://answers.webroot.com/Webroot/ukp.aspx?pid=12&app=vw&vw=1&login=1&solutionid=127]
A keycode can be acquired at www.webroot.com.

By installing the Webroot Web Threat Shield Extension, you agree to the Webroot SecureAnywhere Solution Agreement available at [http://detail.webrootanywhere.com/p4inbound.asp?CMD=P40EULA].
Rated 4.2 by 57 reviewers
Log in to rate this extension
There are no ratings yet

Star rating saved

5
39
4
9
3
0
2
2
1
7
Read all 57 reviews
Permissions and dataLearn more

Required permissions:

  • Download files and read and modify the browser’s download history
  • Display notifications to you
  • Access browser tabs
  • Access your data for all websites

Optional permissions:

  • Access your data for all websites
More information
Add-on Links
  • Homepage
  • Support site
  • Support Email
Version
2.3.25184.2
Size
529.34 KB
Last updated
17 days ago (Jul 28, 2025)
Related Categories
  • Privacy & Security
License
All Rights Reserved
Privacy Policy
Read the privacy policy for this add-on
End-User License Agreement
Read the license agreement for this add-on
Version History
  • See all versions
Tags
  • anti malware
  • antivirus
  • content blocker
  • security
Add to collection
Report this add-on
More extensions by Webroot.com
  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

Go to Mozilla's homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike License v3.0 or any later version.