You’re trying out a new restaurant and are told to scan a QR code on the table to access the menu. Could you tell if the code is a fake? Although you can try to avoid QR codes altogether, there are ...

It’s a simple thing we encounter many times every single week – often while in a hurry. You pull up at a parking spot, scan a QR code and pay within seconds. Or you sit down at a cafe, scan a code to ...