After seeing that the MSERT tool by Microsoft (The Microsoft Safety Scanner) detected recent Exchange threats https://www.bleepingcomputer.com/news/security/microsofts-msert-tool-now-finds-web-shells-from-exchange-server-attacks/, I thought it would be prudent as a secondary measure to deploy the tool, scan, and make sure everything across our estate was clean. Although I didn't have that problem in my environment, I thought it acted as a good tool [...]