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Microsoft releases Windows Defender Browser Protection extension for Chrome

Microsoft is reaching out to Chrome users with a new browser extension designed to help protect them against online threats as they browse the web. Called Windows Defender Browser Protection, the extension promises to shield users from a number of potential online threats by warning about links in phishing emails and malicious websites.

"The Windows Defender Browser Protection extension for Google Chrome allows you to add an additional layer of protection when browsing online, powered by the same trusted intelligence found in Microsoft Edge," Microsoft says (opens in new tab). "The extension alerts you about known malicious links, and gives you a clear path back to safety."

The extension works by matching links against a constantly updated list of known malicious URLs. If a link matches one on the list, Windows Defender Browser Protection will flash a red warning screen, alerting users that the website is known to be malicious.

Windows Defender Chrome Extension Toggle

It's an interesting move, to be sure – particularly because Chrome already offers this sort of protection on its own. However, Microsoft claims that the phishing protection offered by Microsoft Edge is effective against 99 percent of attacks, compared to 87 percent and 70 percent for Chrome and Firefox, respectively. Since, according to Microsoft, the Chrome extension relies on the same backbone as Edge, then there's an argument for adding it as an extra layer of protection.

In any case, if you're a Chrome user, you can pick up Windows Defender Browser Protection from the Chrome web store now.

Dan Thorp-Lancaster is the Editor in Chief for Windows Central. He began working with Windows Central as a news writer in 2014 and is obsessed with tech of all sorts. You can follow Dan on Twitter @DthorpL and Instagram @heyitsdtl. Got a hot tip? Send it to

  • Nice
  • Makes sense considering most PC users are using Chrome instead of Edge
  • Is there any verifiable data on this?
  • Probably but I can't be bothered to look. It's been mentioned in several articles that Edge usage is way below that of Chrome
  • Yeah, makes sense considering Google being the go to site for the most and the page itself suggesting to try Chrome all the time.
  • I don't know. Papering over the cracks in Chrome may not be a great way to treat customers as it means they are more likely to stick with Chrome and so with the security issues MS is trying to mitigate here as well as whatever other security issues there are present (Google could have covered the flaws MS is addressing and chose not to, which is a bit of a worry, so what else is buried in there that Google does not care to address?). Does that really do anyone a favour? Wouldn't it be better just to warn people? MS have provided the solution of Edge already. Why now provide a less complete solution? It just sounds dangerous to me.
  • Go away spyware, you're drunk
  • Oh good. Send Microsoft the URL for everything you browse.
  • Really do you not understand how much Google tracks everything you do in every service they have? They exist solely to mine your data and sell it to third parties the only reason they offer such a wide variety of services is to have more avenues to mine your usage data.
  • When I watch a program in Channel 9 and read documents in Technet, MS developers use Chrome mostly.