Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using iPhone or Androids.

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

Fake QR code scam: QR codes are everywhere – from restaurant menus and parking meters to payment apps, vegetable shops, and event tickets. But cybersecurity agencies and researchers are warning that ...