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Former Microsoft security analyst claims the company has long known Office 365 servers are used to distribute malware

Malware on Windows devices has become a real problem in the past few years, especially with the recent rise in ransomware. It looks like Microsoft is trying to fix this issue with Microsoft Defender updates, but the source claims that the company itself is part of the problem.

Former Microsoft security analyst claims the company has long known Office 365 servers are used to distribute malware

Cybersecurity researcher TheAnalyst tweeted last Friday how the BazarLoader malware is associated with ransomware, which, in particular, can seriously affect healthcare. He then reached out to Microsoft, asking if the company was “in any way responsible as it knowingly hosts hundreds of files leading to this {malware}” and images of what might be malicious files in OneDrive.

The allegations were corroborated by former Microsoft security analyst Kevin Beaumont, who believes Microsoft cannot claim to be a security leader due to years of abuse in Office365 and OneDrive. Removing something from OneDrive is a difficult and time-consuming process, he said, making Microsoft “the best malware vendor in the world in the last ten years thanks to O365.”

Of course, this isn’t just a Microsoft problem, and it’s not new. Citing research from the University of Applied Sciences of Bern, the source claims that Google and Cloudflare are among the leading networks for hosting malware on the Internet. This means that tech giants need to work harder to find malicious content on their servers before looking for problems elsewhere.

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