What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

Quishing is proving effective, too, with millions of people unknowingly opening malicious websites. In fact, 73% of Americans admit to scanning QR codes without checking if the source is legitimate.

QR codes can be used to pull up a menu in a restaurant, get more information at museums, pay for parking, etc. Those black and white QR codes are everywhere. And even though QR codes were invented in ...