Fortalice's Threat and Incident Response Team is providing this advisory video to partners on recent developments associated with the HAFNIUM Threat Activity and Microsoft Exchange. The information is current as of March 2021.
The notification provided to Mimecast from Microsoft indicated that several certificates issued by Mimecast had been compromised by a sophisticated threat actor.
If your organization currently uses SolarWinds Orion products (versions 2019.4 through 2020.2.1 HF1), we recommend disconnecting all affected devices immediately.