Microsoft says Storm-0558 Chinese hackers stole a signing key used to breach government email accounts from a Windows crash dump after compromising a Microsoft engineer's corporate account. The ...

Microsoft has published details of how a Chinese state-backed advanced persistent threat (APT) actor tracked as Storm-0558 was able to get its hands on a Microsoft account (MSA) consumer key to forge ...

A major IT outage caused by a problem at the U.S. cyber-security firm CrowdStrike led to chaos for businesses around the world on Friday. The global software issue forced many banks, airlines and ...

Microsoft says that it has mitigated an Exchange Online outage affecting customers worldwide, which blocked their access to emails and calendars.