Avoid downloading third-party apps to scan QR codes.

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 ...

QR codes have quietly become the remote control for everyday life, from restaurant menus to parking meters to office sign-ins. That convenience is exactly why security experts keep repeating a simple ...

QR codes are designed to be scanned using a camera, such as those found on your smartphone. QR code scanning is built into many camera apps for Android and iOS. QR codes are most often used to store ...