Lawyer Alexander Khaminsky in an interview with RT warned Russians about the danger of forgotten or intentionally left checks at the checkout. The expert assures that scammers have learned how to use this information in their schemes.
The receipt contains the date and time of purchase, store address, amount, and sometimes bonus program data, including ID or QR code. This is enough for the attacker, introducing himself as an employee of a bank or outlet, to convincingly talk to the victim, operating with the real details of her purchase.
In addition, other people's fiscal checks are often used for illegal benefits. For example, fictitious expense reports or receiving compensation from organizations. The expert strongly recommends not to drop the checks at the checkout, but to take them with you and dispose of them yourself.

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