Cybersecurity responders are working around the clock to shore up networks hit by last week's hack of Microsoft's Exchange email service — an attack that has impacted hundreds of thousands of ...

Threat actors are now actively scanning for the Microsoft Exchange ProxyShell remote code execution vulnerabilities after technical details were released at the Black Hat conference. Before we get to ...

Microsoft today updated its mitigation measures for two recently disclosed and actively exploited zero-day vulnerabilities in its Exchange Server technology after researchers found its initial ...

Play ransomware threat actors are using a new exploit chain that bypasses ProxyNotShell URL rewrite mitigations to gain remote code execution (RCE) on vulnerable servers through Outlook Web Access ...

Last year, two high severity, easily exploitable Microsoft Exchange vulnerabilities dubbed ProxyLogon and ProxyShell made waves in the infosec sphere. Nearly a year later, Exchange Server admins are ...