Stay Sharp with QR Codes: How to Scan Safely at Restaurants and Parking Lots

In the last few years, those little pixelated squares known as QR codes have popped up everywhere. We use them to view dinner menus, pay for parking, and even check in at the doctor’s office. They are incredibly convenient, but because they are designed to be read by machines rather than humans, it is impossible to tell where a code leads just by looking at it. Cybercriminals sometimes take advantage of this by placing fake QR codes over legitimate ones…