As smartphones have become more and more ubiquitous, so have QR codes. These maze-looking squares are a type of matrix bar code that contains data — usually, QR codes point to a website or open a ...

I don’t scan QR codes, and neither should you, especially if you care about cybersecurity. A QR code is a two-dimensional barcode that is readable by a smartphone with a camera or a mobile device with ...

QR or Quick Response codes are one of the most popular ways to access information on the go. Invented in 1994 and once considered the wave of the future, part of the QR code revival that started in ...