DuckDuckGo Privacy Browser Doesn’t Block Microsoft Trackers as Part of Deal

Image: DuckDuckGo

According to security researcher Zach Edwards’ recent security audit of the DuckDuckGo Privacy Browser for iOS and Android, the browser allows Microsoft trackers on third-party websites while blocking all others (via BleepingComputer).

On Facebook parent Meta‘s, Edwards discovered that the DuckDuckGo Privacy Browser allowed trackers related to the and domains while blocking all others, including trackers from Facebook and Google.

Trackers are commonly used by advertising services to create user profiles for each individual in order to serve interest-based and highly targeted advertisements to them. The DuckDuckGo search engine also blocks trackers and instead uses contextual advertisements from partners, like Ads by Microsoft.

DuckDuckGo itself does not collect any personal identifiers, but Microsoft advertising may record a user’s IP address and other information when they click on an ad. The collected information is used for “accounting purposes” and is not associated with a user advertising profile.

Even so, the fact that the DuckDuckGo browser allows any trackers at all conflicts with the ethos of the privacy-centric company, which last week said “tracking is tracking, no matter what you call it,” as it lambasted Google for its new tracking and ad-retargeting methods in a tweet.

Following the discovery, DuckDuckGo CEO and Founder Gabriel Weinberg confirmed that their browser deliberately allows Microsoft trackers on third-party websites due to a requirement in the company’s search syndication agreement with Redmond, Washington-based Microsoft.

“However, we have been continually pushing and expect to be doing more soon,” Weinberg said in a tweet.

The DuckDuckGo CEO also clarified that this limitation exists only in their browser and does not extend to the DuckDuckGo search engine.

While DuckDuckGo has been transparent about its advertisement partnership with Microsoft since the very beginning, the fact that the company’s browser allows trackers from the latter’s services has never been disclosed.

Responding to BleepingComputer‘s coverage of Edwards’ findings, Weinberg said the company is working to remove this restriction from their agreement with Microsoft.

“In addition, we are working with Microsoft to remove this limited restriction the article refers to. We’re also working on updates to our app store descriptions to have more information,” the DuckDuckGo CEO said in a tweet.

DuckDuckGo is also working on bringing its privacy-focused browser to the desktop. The company released a beta version of its desktop browser for macOS last month.

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