Security Market Segment LS
Tuesday, 19 October 2021 07:37

Multiple threat actors using OneDrive in campaigns: infosec expert Featured

Multiple threat actors using OneDrive in campaigns: infosec expert Image by chenspec from Pixabay

Information security expert Kevin Beaumont has continued highlighting the way in which Microsoft hosts ransomware on its own properties, pointing out that there are multiple threat actors using OneDrive in campaigns, with direct links to the platform.

With a touch of sarcasm, Beaumont added: "Was just talking to @ffforward, [another security professional] they made the point that Microsoft took legal action against Trickbot C2s as they said ISPs were too slow at dealing with abuse complaints...

"Maybe we can start a GoFundMe for Microsoft to take legal action against itself?"

As iTWire reported on Sunday, Beaumont raised the issue of Microsoft hosting malware on its own servers for years in a Twitter thread, saying: "Microsoft cannot advertise themselves as the security leader with 8000 security employees and trillions of signals if they cannot prevent their own Office365 platform being directly used to launch Conti ransomware. OneDrive abuse has been going on for years. Fix it."

Microsoft OneDrive is a file-hosting service and synchronisation service operated by the company as part of its Web version of Office, according to Wikipedia.

Beaumont was employed by Microsoft as a security threat analyst until he quit a few months back. He is well-known in the security community for his educated, incisive and informative comments about security incidents on Twitter and also his keen sense of humour.

In 2019, he christened a Microsoft vulnerability that was susceptible to a worm attack as Bluekeep, and the name has stuck.

Beaumont did not hold back as he continued to prosecute his case on Twitter.

In response to a tweet from a Swiss researcher, who posts under the handle, he said: "In fairness to Microsoft they’re taken 3 Bazarloader sites offline (out of hundreds reported) after 5 days and a very public Twitter thread.

"Trillions of signals, 8000 security staff and $10bn a year in security revenue, leads to hosting ransomware ops - might need some work."

iTWire has contacted Microsoft for comment.

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Sam Varghese

Sam Varghese has been writing for iTWire since 2006, a year after the site came into existence. For nearly a decade thereafter, he wrote mostly about free and open source software, based on his own use of this genre of software. Since May 2016, he has been writing across many areas of technology. He has been a journalist for nearly 40 years in India (Indian Express and Deccan Herald), the UAE (Khaleej Times) and Australia (Daily Commercial News (now defunct) and The Age). His personal blog is titled Irregular Expression.

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