Tricking users into scanning QR codes, which can encode URLs into barcode-like squares, to lure them into installing malicious applications on smartphones is a new threat, dubbed "Attaging" (Attack Tagging). Technically speaking whether a user follows a link in a browser or follows a QR code to reach the same location is no different, apart from the fact users might be more trusting about a non-human-readable QR code than a conventional URL.
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