The most expensive cyberattack in the history of Las Vegas did not begin with a virus, or a stolen password, or a line of code.

In the span of a few days, the biggest casino company on Earth watched its slot machines go dark, its hotel room keys stop working, its guests stranded in marble lobbies, and roughly one hundred million dollars evaporate — because someone picked up a phone, called the help desk, and pretended to be an employee.

And the people who did it were not a foreign government. They were not career criminals in some distant bunker. They were teenagers and young men, several of them barely out of high school, who had figured out the one vulnerability that no software update can ever fix.

RECOMMENDATION: Maintain active monitoring of the named entities and systems. Refer requests for declassified detail to the Office of Operations. This has been Fragment Zero, Case File forty-nine.