Microsoft's Exchange team on Monday announced additional help for organizations having trouble trying to patch Exchange Server products quickly in response to the Hafnium attacks. Microsoft had ...

Organisations using on-premises versions of Microsoft Exchange Server are at risk of targeted attacks exploiting three newly-disclosed zero-day exploits, which are already being taken advantage of by ...

Microsoft has released updates to address four previously unknown or 'zero-day' vulnerabilities in Exchange Server that were being used in limited targeted attacks, according to Microsoft. Microsoft ...

Security experts have linked the Hades ransomware operation to the Hafnium state-backed group that was behind early attacks on Microsoft Exchange servers. The ransomware crew was responsible for ...

Administrators who run on-premises Microsoft Exchange Server woke up on March 2 to a rude awakening: Some of them now have incidents to investigate. Starting on February 28 and possibly earlier, ...