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 ...
You’ve almost certainly used QR codes before—it’s when you point your phone’s camera at a square barcode to access a menu, a form, or even an app, and then tap on the link that appears. But while most ...