CISA, NSA Release Guide for Securing Microsoft Exchange Servers
Cybersecurity Dive
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Contributed by: Kate Gamble
Summary
The Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released a best-practices guide to help organizations secure their on-premises Microsoft Exchange Servers, which are often vulnerable due to outdated or misconfigured systems. This initiative responds to a high-severity vulnerability that could enable attackers to exploit these servers and potentially gain control over both on-premises and cloud environments. CISA’s executive assistant director highlighted the importance of secure configurations given the widespread use of Exchange within organizations. The guide not only aims to mitigate current threats but also emphasizes the need for ongoing vigilance in cybersecurity practices among healthcare professionals and organizations.