How QR codes work and what makes them dangerous – a computer scientist explains
- Written by Scott Ruoti, Assistant Professor of Computer Science, University of Tennessee
QR codes are visual patterns that store data smartphones can read.AP Photo/Vincent YuAmong the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other device.
QR codes have a wide range of uses that help people avoid...
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