Microsoft has recently issued an urgent security advisory, urging customers to secure their on-premises Exchange servers. The company has discovered a series of vulnerabilities in its Exchange Server software that are being actively exploited by cybercriminals.
The vulnerabilities, which were discovered by Microsoft's Threat Intelligence Center, allow attackers to gain unauthorized access to email accounts, steal sensitive information, and even take control of entire Exchange servers. The vulnerabilities affect all supported versions of Microsoft Exchange Server, including versions 2013, 2016, and 2019.
In response to the discovered vulnerabilities, Microsoft has released security updates for the affected versions of Exchange Server. The company is urging customers to apply the updates as soon as possible to protect their systems from potential attacks.
In addition to applying the security updates, Microsoft is also recommending several other best practices for securing on-premises Exchange servers. These include:
-Enabling two-factor authentication for all email accounts
-Monitoring for suspicious activity on Exchange servers
-Limiting network access to Exchange servers to only necessary users and systems
-Disabling unnecessary protocols and services on Exchange servers
-Implementing network segmentation to isolate Exchange servers from other systems
The recent discovery of these vulnerabilities in Exchange Server highlights the importance of keeping software up to date and implementing best practices for securing on-premises systems. Microsoft's urgent security advisory serves as a reminder for organizations to stay vigilant and to keep track of the latest developments in the cyber threat landscape in order to better protect themselves against potential attacks.
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