How To Prevent QR Hijacking

QR-jacking is the act of covering up a QR code and replacing it with an alternative - often malicious - code. Your carefully crafted code could be replaced by one which... Points to a rival's site. Calls a premium rate phone number. Redirects the user to a site which EXPOSES THE TRUTH BEHIND... Goes to a non-legitimate site which asks for credit card / personal details. Downloads a virus or other form of malicious content. It's a real threat - thankfully it's usually…
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