WASHINGTON, July 23 (Reuters) - A cyber-espionage campaign centered on vulnerable versions of Microsoft's (MSFT.O), opens new tab server software now involves the deployment of ransomware, Microsoft ...

The US government agency in charge of designing and maintaining nuclear weapons was among those breached by a hack of Microsoft's SharePoint server software, Bloomberg reported. However, attackers ...

SharePoint is one of those less-visible portions of Microsoft Office. It’s a tool for managing shared files across users and systems — if you don’t use it for work, you may never have heard of it, but ...

Update, July 21, 2025: This story, originally published on July 20, has been updated to include additional expert comments regarding the global zero-day attack impacting Microsoft on-premise ...

Microsoft has released emergency SharePoint security updates for two zero-day vulnerabilities tracked as CVE-2025-53770 and CVE-2025-53771 that have compromised services worldwide in "ToolShell" ...

Microsoft has issued two emergency updates after a vulnerability in Microsoft's SharePoint server software was exploited by hackers over the weekend to carry out attacks on businesses and U.S. federal ...

On July 19, Microsoft alerted users that it was experiencing an active cyberattack on its SharePoint servers, which allow organizations to share and manage documents. According to The Washington Post, ...