CISA, NSA, and international partners have issued a guide to improve the security of Microsoft Exchange Server and prevent exploitation. Organizations are advised to follow best practices, especially decommissioning outdated servers, to reduce cyber threat risks. #MicrosoftExchange #CISA #NSA #ExchangeServerSecurity
Keypoints
- Threat activity targeting Exchange servers continues to pose a significant risk to organizations.
- The new guide emphasizes hardening user authentication, access controls, and network encryption.
- Decommissioning end-of-life Exchange servers is strongly recommended to prevent exploitation.
- Retaining the last Exchange server can increase vulnerability to ongoing cyber threats.
- Following the best practices can significantly improve on-premises Exchange server security.