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Security flaw in QR codes found

A Japanese university group says it has identified a security flaw in QR codes, which are widely used for electronic payments, advertisements and other systems. The Kobe University team, led by Professor Masakatsu Morii, says the codes can be manipulated by abusing an error-correction function. The group says hackers can tamper with a QR code to send a chosen percentage of users to a harmful website.

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