Security researchers say Microsoft customers should take immediate action to defend against the ongoing cyberattacks, and must assume they have already been compromised.

If exploited, attackers can gain full access to SharePoint content and potentially pivot to Outlook, Teams, and OneDrive. Learn how to protect your SharePoint server from compromise.

Among the attackers now actively exploiting vulnerable on-premises Microsoft SharePoint servers, at least one has shown indications of originating from China, according to the assessment of researchers at Google Cloud-owned Mandiant.

Microsoft Corp.’s server software is under attack from unidentified hackers, with cybersecurity analysts warning of widespread security breaches across the globe.The Redmond, Washington-based software maker said it had released a new security patch for customers to apply to their SharePoint servers “to mitigate active attacks targeting on-premises servers,

Microsoft said in a post on its website on Saturday that it was “aware of active attacks targeting on-premises SharePoint Server customers by exploiting vulnerabilities.” SharePoint is a Microsoft platform that allows customers to manage and share documents within their organizations.

Matt Rose, CXO of Tech Rage IT, joins FOX 35's Garrett Wymer via Zoom to break down the global Microsoft server hack and the company rushing out a patch to close up the opening hackers were using to exploit the vulnerability in Microsoft's SharePoint collaboration software.