I came across this over at the Internet Storm Center about how a data breach at SolarWinds allowed the compromise of the FireEye Security company.
There is a live ISC webcast going on now:
SolarWinds Breach Used to Infiltrate Customer Networks (Solarigate)
SANS Internet Storm Center - A global cooperative cyber threat / internet security monitor and alert system. Featuring daily handler diaries with summarizing and analyzing new threats to networks and internet security events.
isc.sans.edu
There is a live ISC webcast going on now: