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Boarding pass barcodes open airport security loophole fears

Security flaws in how airline boarding passes encode passenger approval information could open a loophole for terrorists, researchers have warned, after exploring the barcodes printed on US passes. Data on whether individual passengers have been cleared for the US PreCheck system is included in the barcode on the boarding documents, with Puckinflight highlighting that such information can be extracted using smartphone scanning apps. With it, passengers can discover whether they’ll be allowed to go through security without removing shoes and other clothing, and leaving items such as toiletries and laptops in their bags.

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