There was a huge Citrix breach this weekend that is not getting much media attention for the amount of businesses that could be affected.
https://www.google.com/amp/s/www.forbes.com/sites/kateoflahertyuk/2019/03/10/citrix-data-breach-heres-what-to-do-next/amp
Most of the government and defense contractors use Citrix for 2 factor authentification.
This hack could coincide with the remote hack of the 737?