Cybersecuritydive CISA and NSA Release Security Guidance for Microsoft Exchange Servers
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The Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have issued new guidance to help organizations secure their on-premises Microsoft Exchange Servers. This advisory follows a high-severity vulnerability (CVE-2025-53786) identified in August and addresses risks associated with misconfigured or outdated installations. The guidance is supported by cybersecurity agencies from Australia and Canada.
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