Microsoft is urging organizations to rotate machine keys for on-premises SharePoint Servers — an indicator that attackers are stealing the keys to enable further attacks, according to researchers.

Security researchers have found a massive hacking operation targeting Microsoft 365 accounts. The attack uses a network of over 130,000 infected computers, known as a botnet, to attempt unauthorized ...

Microsoft said on Wednesday it has scaled back some Chinese companies' access to its early warning system for cybersecurity vulnerabilities following speculation that Beijing was involved in a hacking ...

WASHINGTON, Aug 20 (Reuters) - Microsoft (MSFT.O), opens new tab said on Wednesday it has scaled back some Chinese companies' access to its early warning system for cybersecurity vulnerabilities ...