Information on Exploit-
https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/
Alternate Mitigation-
https://msrc-blog.microsoft.com/2021/03/05/microsoft-exchange-server-vulnerabilities-mitigations-march-2021/
Script to check server-
https://github.com/microsoft/CSS-Exchange/tree/main/Security
Microsooft Safety Scanner-
https://docs.microsoft.com/en-us/windows/security/threat-protection/intelligence/safety-scanner-download
