Microsoft probing if Chinese hackers learned SharePoint flaws through alert: Reports

Microsoft probing if Chinese hackers learned SharePoint flaws through alert: Reports

Microsoft is investigating whether a leak from its early alert system for cybersecurity companies allowed Chinese hackers to exploit flaws in its SharePoint service before they were patched, Bloomberg News reported on Friday. A security patch Microsoft released this month failed to fully fix a critical flaw in the U.S. tech giant’s SharePoint server software, […]

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Microsoft says some SharePoint server hackers now use ransomware

Microsoft says some SharePoint server hackers now use ransomware

A cyber-espionage campaign centered on vulnerable versions of Microsoft’s server software now involves the deployment of ransomware, Microsoft said in a late Wednesday blog post. In the post, citing “expanded analysis and threat intelligence,” Microsoft said a group it dubs “Storm-2603” is using the vulnerability to seed the ransomware, which typically works by paralyzing victims’ […]

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Microsoft knew of SharePoint security flaw but failed to effectively patch it, timeline shows

Microsoft knew of SharePoint security flaw but failed to effectively patch it, timeline shows

A security patch Microsoft released this month failed to fully fix a critical flaw in the U.S. tech giant’s SharePoint server software, opening the door to a sweeping global cyber espionage effort, a timeline reviewed by Reuters shows. On Tuesday, a Microsoft spokesperson confirmed that its initial solution to the flaw, identified at a hacker […]

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Microsoft server hack hit about 100 organizations, researchers say

Microsoft server hack hit about 100 organizations, researchers say

A sweeping cyber espionage operation targeting Microsoft server software compromised about 100 organizations as of the weekend, two of the organizations that helped uncover the campaign said on Monday. Microsoft on Saturday issued an alert about “active attacks” on self-hosted SharePoint servers, which are widely used by organizations to share documents and collaborate within organizations. […]

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