politics
April 6, 2026
CBP facility codes sure seem to have leaked via online flashcards
Quizlet flashcards seem to include sensitive information about gate security at CBP locations.

TL;DR
- A public Quizlet flashcard set, titled “USBP Review,” reportedly contained confidential security information about US Customs and Border Protection (CBP) facilities near Kingsville, Texas.
- The exposed information allegedly included codes for specific facility entrances and details about immigration offenses and federal charges.
- The flashcard set was made private after WIRED inquired about it, and CBP has stated that its Office of Professional Responsibility is reviewing the incident.
- The flashcards also detailed the Kingsville workforce's area of responsibility, organizational systems, and an internal system called “E3 BEST” for processing referrals.
- This potential breach occurs amid a significant hiring surge and recruitment incentives for CBP and Immigration and Customs Enforcement (ICE).
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