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, ...

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.

We've warned you about QR code scams before. Now, we're warning you about a new QR code scam – one that may show up in your physical mailbox. The National Cyber Security Centre (NCSC) in Switzerland ...

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

A recent kind of package scam encourages you to download your own malware via QR code. Here's what to watch out for. Tyler has worked on, lived with and tested all types of smart home and security ...

Every UPI payment you make by scanning a QR code triggers a cascade of sophisticated mathematics in under a second. Here is ...

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 ...

In most cases, QR codes use black squares on a white background, making the dots easy to distinguish. However, this is not a strict requirement, and QR codes can use any color or shape for the dots ...