Add Yahoo as a preferred source to see more of our stories on Google. A Quick Response code, or QR code, is an easy way to access information on your mobile device. However, a scam that uses the codes ...

“Don’t look a gift horse in the mouth” is a go-to saying when you receive something for free. However, if you get a package addressed to you with a QR code asking you to find out who sent it or with ...

Back in 2013, David Geer laid out the dangers of QR codes for security, explaining how a malicious QR — Quick Response — code can contain a link to a website embedded with malware. The Web link then ...