Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other device.
A QR code is a machine-readable matrix barcode and it stands for “quick response” code. You can use the camera app on any phone to scan a QR code. After being scanned, the QR code will send the user ...
Back in 2013, David Geer laid out the dangers of QR codes for security, explaining how a malicious QR — Quick Response — code can contain a link to a website embedded with malware. The Web link then ...
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