The group blends into an environment before loading up trivial, thickly stacked, fraudulent financial transactions too tiny to be noticed but adding up to millions of dollars.
https://threatpost.com/elephant-beetle-months-networks-financial/177393/
The alert was mumbo jumbo, but it was indeed sent from the bureau’s email system, from the agency’s own internet address.
https://threatpost.com/fbi-system-exploit-email-fake-cyberattack-alert/176333/