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Microsoft, Ransomware and SharePoint

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Microsoft SharePoint Hackers Switch Gears to Spread Ransomware
Recent attacks targeting Microsoft SharePoint have escalated, with threat actors now deploying ransomware on vulnerable systems, according to Microsoft.

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Microsoft: SharePoint attacks now officially include ransomware infections
Microsoft says some SharePoint server hackers now using ransomware
How Hackers Targeted Microsoft in Global Cyberattack
Hackers in recent weeks have exploited flaws in SharePoint, a document management system developed by Microsoft Corp., to try to steal sensitive data from hundreds of victims.

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Microsoft says China-based hackers exploiting critical SharePoint vulnerabilities to deploy Warlock ransomware — three China-affiliated threat actors seen taking advantage
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Microsoft acknowledged SharePoint flaw but initial patch failed to stop hacks
Microsoft probing if Chinese hackers learned SharePoint flaws through alert, Bloomberg News reports
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.

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Hackers attack Microsoft SharePoint, targeting organizations like U.S nuclear security
Microsoft continues investigation of SharePoint cyberattack by Chinese hackers: report
Blame a leak for Microsoft SharePoint attacks, researcher insists
"A leak happened here somewhere," Dustin Childs, head of threat awareness at Trend Micro's Zero Day Initiative (ZDI), told The Register. "And now you've got a zero-day exploit in the wild, and worse than that, you've got a zero-day exploit in the wild that bypasses the patch, which came out the next day."
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Storm-2603 Exploits SharePoint Flaws to Deploy Warlock Ransomware on Unpatched Systems
Storm-2603 exploits SharePoint flaws to deploy Warlock ransomware, affecting 400+ victims. Microsoft urges mitigation.
Microsoft SharePoint attack now sees victim count rises to 400 organizations, including US nuclear agency
New estimates regarding the recently-exploited Microsoft SharePoint vulnerabilities now evaluate that as many as 400 organizations may have been targeted.
DHS and HHS among federal agencies hacked in Microsoft Sharepoint breach
Department of Homeland Security headquarters, several of its agencies and the Department of Health and Human Services have been hacked as part of a wider breach of Microsoft SharePoint.​
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Disrupting active exploitation of on-premises SharePoint vulnerabilities
Microsoft has observed two named Chinese nation-state actors, Linen Typhoon and Violet Typhoon, exploiting vulnerabilities targeting internet-facing SharePoint servers. In addition, we have observed another China-based threat actor,
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