

Recent cyber attacks on Exchange servers necessitated the creation of this simple-to-use automated tool that meets the needs of users using current or out-of-support versions of on-premises Exchange Server. Microsoft Exchange On-Premises Mitigation Tool.

Microsoft offers an array of tools to ensure Exchange is secure and performing normally, including the following: Launch specialized Microsoft Exchange security utilities Ensure Exchange Server maintenance includes deployment and testing of updates, builds, patches, bug fixes, security updates and feature compatibility. Microsoft regularly releases software updates, patches and other resources to keep Exchange servers running at peak performance. IT professionals should use the following 12 activities to secure and protect Exchange servers from unauthorized access, cyber attacks, viruses and malware.

While the remote code execution exploits can be mitigated by deploying Microsoft patches and updates, it is still critical for security teams to pay close attention to other Exchange security best practices. Zero-day vulnerabilities on Exchange Server - not Exchange Online - that were exploited by cyber attackers starting in January 2021 have put the server's security in the spotlight.
