Add Yahoo as a preferred source to see more of our stories on Google. You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: ...

Android and iOS both have built-in tools to easily open QR codes from screenshots.

A attack using QR codes is known as "quishing," a combination of QR code and phishing. The danger isn't the QR code itself; it's where it quietly sends you.

You’ll be a scanner in no time with this guide to getting the all-conquering QR codes ...