Microsoft SharePoint zero-day breach hits on-prem servers

Enterprise IT teams face an immediate crisis as Microsoft warned Saturday of active cyberattacks exploiting a previously unknown vulnerability in SharePoint Server, with security researchers confirming dozens of servers compromised globally since attacks began July 18. “Microsoft is aware of active attacks targeting on-premises SharePoint Server customers by exploiting vulnerabilities partially addressed by the July Security Update,” the company said in a statement issued Saturday. “These vulner...