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New zero-day bug in Microsoft SharePoint under widespread attack
Security researchers say Microsoft customers should take immediate action to defend against the ongoing cyberattacks, and ...
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CISA releases malware analysis for Sharepoint Server attack
Indications of compromise and Sigma rules report for your security scanners amid ongoing 'ToolShell' blitz CISA has published a malware analysis report with compromise indicators and Sigma rules for ...
Microsoft SharePoint bug puts critical government agencies at risk
Microsoft released patches for a SharePoint zero-day bug after hackers compromised over 400 servers worldwide using ...
Ransomware gangs join attacks targeting Microsoft SharePoint servers
Ransomware gangs have recently joined ongoing attacks targeting a Microsoft SharePoint vulnerability chain, part of a broader ...
What to know about ToolShell, the SharePoint threat under mass exploitation
The name was coined by Dinh Ho Anh, a researcher from Khoa of Viettel Cyber Security, who developed the exploit. The ...
Microsoft Used China-Based Engineers to Maintain Vulnerable SharePoint
Microsoft identified at least three threat groups believed to be affiliated with China that have been exploiting publicly ...
Microsoft SharePoint attack: Officials issue warning about 'active exploitation'
Federal cybersecurity officials have issued a warning to Microsoft users about a security flaw allowing hackers to access to ...
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 Heat Wasn't Just Outside: Cyber Attacks Spiked in Summer 2025
Can your defenses withstand the biggest attacks of Summer 2025? From Interlock's FileFix to Qilin, Scattered Spider, and ...
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Microsoft: SharePoint attacks now officially include ransomware infections
Let the games begin Ransomware has officially entered the Microsoft SharePoint exploitation ring.… Late Wednesday, in an update to its earlier warning, Redmond confirmed that a threat group it tracks ...
Microsoft SharePoint servers are under attack because of a major security flaw
Hackers have exploited vulnerabilities in Microsoft’s SharePoint software, placing tens of thousands of on-premises servers ...
Microsoft says Chinese hacking groups exploited SharePoint vulnerability in attacks
Two Chinese nation-state actors and one China-based threat actor have tried to exploit the vulnerability for weeks, Microsoft said.