Microsoft Put Older Versions of SharePoint on Life Support. Hackers Are Taking Advantage

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Microsoft Put Older Versions of SharePoint on Life Support. Hackers Are Taking Advantage
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Multiple hacking groups—including state actors from China—have targeted a vulnerability in older, on-premises versions of the file-sharing tool after a flawed attempt to patch it.

Microsoft said on Tuesday that, in addition to other actors, it has seen multiple China -linked hacking groups exploiting the flaw, which is specifically present in older versions of SharePoint that are self-hosted by organizations. It does not impact the newer, cloud-based version of SharePoint that Microsoft has been encouraging customers to adopt for many years.

,” a DOE spokesperson told WIRED in a statement. “The Department was minimally impacted due to its widespread use of the Microsoft M365 cloud and very capable cybersecurity systems. A very small number of systems were impacted. is taking the appropriate action to mitigate risk and transition to other offerings as appropriate.” Microsoft did not immediately return WIRED’s requests for comment about the process of sunsetting SharePoint Server. The company wrote in a blog post on Tuesday that customers should keep supported versions of SharePoint Server updated with the latest patches and turn on Microsoft's “Antimalware Scan Interface” as well as Microsoft Defender Antivirus.

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