Windows Defender Browser Protection: Everything You Need to Know

Protects again phishing attempts and dubious websites

by Milan Stanojevic
Milan Stanojevic
Milan Stanojevic
Windows & Software Expert
Milan has been enthusiastic about PCs ever since his childhood days, and this led him to take interest in all PC-related technologies. Before joining WindowsReport, he worked as... read more
Fact checked by Alex Serban
Alex Serban
Alex Serban
Browser & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • The Microsoft Defender Browser Protection is an excellent add-on for online protection.
  • This extension was designed to protect your system better from online phishing and malware.
  • It's extremely easy to download and install on all browsers and you can also eliminate it quickly.
  • You should be aware that this security feature will not rival a third-party antivirus.
About windows defender browser protection
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Windows Defender is the default antivirus software on Windows, but Microsoft has also released the Windows Defender Browser Protection extension for Chrome.

The scope of the extension is to provide better phishing and malware protection from various websites using real-time data from Microsoft.

In today’s article, you will find out all about the antivirus extension and the steps to install in the most popular browsers to protect your PC.

Is Windows Defender Browser Protection legitimate?

Yes, the Windows Defender Browser Protection is legitimate and one of the best extensions in the category. It protects you against a wide range of online threats, including phishing attempts and malicious software.

The extension is available for all major browsers. Users prefer Windows Defender Browser Protection over third-party antiviruses since Microsoft developed it. Though, a Microsoft Defender Browser Protection whitelist feature would have come in handy.

If you are concerned about installing it, the extension is legitimate and perfectly safe, but make sure you download the right one.

How can I use Windows Defender Browser Protection?

1. Opera

  1. Visit the Windows Defender Browser Protection’s Chrome Web Store page on Opera, and then click the Add to Opera button.add to opera to get windows defender browser protection
  2. Now, click on Add extension in the confirmation prompt.add extension

This browser is based on Chromium, so the extensions from the Chrome Web Store can be installed on Opera as well.

After doing that, Windows Defender Browser Protection will be installed. It’s worth mentioning that Opera has a couple of unique features when it comes to security.

First off, there’s a built-in ad blocker that will block tracking scripts and ads and make your browsing experience faster.

For additional protection, there’s a built-in VPN with unlimited bandwidth. With this extension installed, Opera should be one of the most secure browsers on the market.

It also comes with various other great ideas and features. Find out more about the browser by clicking the Read more button below.


Opera is a modern browser, focused on privacy and security, which makes it ideal as your default option.

2. Chrome

  1. Visit Windows Defender Browser Protection on the Chrome web store, and then click on the Add to Chrome button.Add to Chrome to get windows defender browser protection
  2. Click on Add extension in the prompt that pops up.add extension

After the Windows Defender Chrome extension installs, it’s ready to be used and will protect you while browsing online.

3. Firefox

  1. Open the Application Guard Extension on the browser, and then click on the Add to Firefox button.add to firefox
  2. Click the Add button to confirm.add to get windows defender browser protection

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After doing that, the Microsoft Defender Browser Protection add-on will be installed on Firefox, and your system will be also protected.

4. Microsoft Edge

  1. Press Windows + S to open the Search menu, enter Windows Security in the text field, and then click on the relevant search security to get windows defender browser protection
  2. Now, click on App & browser control.App & browser control
  3. Click on Reputation-based protection settings.Reputation-based protection settings
  4. Next, make sure that the SmartScreen for Microsoft Edge option is enabled.Smart screen for microsoft edge

The Microsoft Defender Browser Protection is already available in Microsoft Edge by default, and it works as long as the Smart Scan feature for your browser is enabled. So, simple simply enable the feature and you are good to go.

5. Install a third-party antivirus for better protection

Windows Defender Browser Protection is a nice extension that will protect you online, but that will only stop a limited number of threats.

If you want to safeguard your system properly, you will need a full-fledged, third-party antivirus installed on your system.

The tool recommended below is installed by over 110 million users worldwide, so now you can get a measure of how trusted this software is.

Its multi-layered protection system will not only secure your PC but also all your other devices, including the webcam and the router.

Get ESET Internet Security

How do I get rid of fake Windows Defender security warning?

Several users reported encountering a Windows Defender Browser Protection red screen when browsing the web. In some cases, the warning listed a support helpline number to call for further resolution. Do not call on the number! It’s most likely an ad disguised as a fake warning.

If you see such messages on a particular website, either stop visiting it or use a reliable ad blocker tool. Also, it’s recommended that you run a malware scan on your PC just to make sure no malicious software on it is triggering the error.

Besides, disable any suspicious extensions on the browser, and if none of these methods work, resetting the browser would do the trick.

Windows Defender Browser Protection offers solid protection to your browser, and we hope you’ll consider using it after reading this article.

However, you need to consider that a browser extension is not as powerful as a dedicated antivirus. So, find out the best-unlimited license antivirus for your computer.

If you have any recommendations or suggestions, or you just want to express your thoughts about this extension, leave us a comment in the dedicated section below.

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Frequently Asked Questions

  • Windows Defender will protect you from all malicious websites, including phishing websites. However, you will only get a full protection from a third-party antivirus.

  • You can remove Windows Defender Browser Protection just like any other extension from your web browser. If you’re interested in other interesting add-ons, here’s our list with the best browser extensions for laptops.

  • Windows Defender ensures basic protection but if you want to have no worries, you will need one of the best Windows 10 antiviruses.

  • Yes, Windows Defender offers ransomware protection out of the box.

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