Some scammers will place stickers over legitimate QR codes in public spaces, like on parking meters and posters. As a safe ...

Think twice before scanning a QR code. If a code appears someplace unexpected, inspect it first. If it contains a URL with misspellings, the code could be a sign of fraud.

Scan a QR code with your webcam. Sometimes you have a QR code on a sheet of paper but your phone isn’t handy. Your laptop has a camera, though, and you can use it instead.

QR codes -- the abbreviation stands for "quick response" -- were invented in Japan in the 1990s. They were first used by the automotive industry to manage production but have spread everywhere.

The trouble is, with QR codes, you may not be able to tell the difference between a malicious code and a legitimate one until you've scanned it. But there are a few ways you can avoid fakes.

QR codes are designed with alignment and scaling features, not to mention checksums and significant redundancy. They have to be, because you’re taking photos of them with your potato-camera w… ...

The agency in charge of Montreal's parking meters is warning of potentially fraudulent QR codes posted on its signs.

Ontario is making COVID-19 vaccine certificate QR codes available for download beginning over the next three days, starting Friday morning for those born between January and April before expanding ...