But really, anytime there is a QR code, the tell-tale sign on if it's real is in the details. "You can scan the code, but you need to pay close attention to what that URL is.

Do not download a QR code scanner app. This increases your risk of downloading malware onto your device. Most phones have a built-in scanner through the camera app.

TECH How to scan a QR code with your iPhone or Android phone (no apps needed) QR codes are those pixelated squares you see in restaurants, advertisements, stores, food packaging, business cards ...