"A Computer Scientist Explains How QR Codes Work and What Makes Them Dangerous"
"A Computer Scientist Explains How QR Codes Work and What Makes Them Dangerous"
There are security risks associated with QR codes, which are graphical representations of digital data that can be printed and later scanned by a smartphone or other device. In December 2023, the Federal Trade Commission (FTC) gave another warning about the dangers of scanning a code from an unknown source. Scott Ruoti, assistant professor of computer science at the University of Tennessee, explains why visiting URLs stored in QR codes can be dangerous in various ways.