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.

LONDON >> A security patch released by Microsoft earlier this month failed to fully fix a critical flaw in the U.S. tech company’s SharePoint server software that had been identified at a hacking competition in May,

A major cyberespionage operation targeting Microsoft's SharePoint server software has compromised about 100 organizations worldwide. The operation exploits a zero-day vulnerability, allowing hackers to install backdoors on affected servers.