Microsoft Urges Customers to Secure On-Premises Exchange Servers

Microsoft is urging customers to keep their Exchange servers updated as well as take steps to bolster the environment, such as enabling Windows Extended Protection and configuring certificate-based signing of PowerShell serialization payloads. "Attackers looking to exploit unpatched Exchange...

Description of the security update for Microsoft Exchange Server 2019: January 10, 2023 (KB5022193)

Description of the security update for Microsoft Exchange Server 2019: January 10, 2023 KB5022193 This security update rollup resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see the following Common Vulnerabilities and Exposures CVE CVE-2023-21745...