Among 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, ...

I have a friend who calls me occasionally to help him with various little things having to do with the technology at his house. This week, one of his requests was to learn more about QR codes and how ...

Security researchers at Barracuda Networks have discovered two novel QR code phishing (quishing) techniques involving splitting malicious QR codes into two parts or embedding them into legitimate ones ...

As QR codes continue to be heavily used by legitimate organizations—from Super Bowl advertisements to enforcing parking fees and fines, scammers have crept in to abuse the very technology for their ...

Imposter scams are surged in 2025, especially IRS scams using gift cards, QR codes, and AI. Learn how to spot fake notices ...

Among 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, ...

Anatomy of a QR code While it is easy for people to read Arabic numerals, it is hard for a computer. Bar codes encode alphanumeric data as a series of black and white lines of various widths. At the ...