The pandemic has led to the widespread use of QR codes, but there are security risks associated with them. QR codes are graphical representations of digital data that can be scanned by smartphones or other devices. They store information in both vertical and horizontal axes, allowing them to hold more data than barcodes. However, it is important to be cautious when using QR codes due to potential security vulnerabilities.
Among the many changes brought about by the pandemic is the widespread use of QR codes. But be wary of them. 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, but there are some security risks .
TheQR codes are a close cousin of the barcodes on product packaging that cashiers scan with infrared scanners to let the checkout computer know what products are being purchased. Barcodes store information along one axis, horizontally. QR codes store information in both vertical and horizontal axes, which allows them to hold significantly more data. That extra amount of data is what makes QR codes so versatile.While it is easy for people to read Arabic numerals, it is hard for a computer. Barcodes encode alphanumeric data as a series of black and white lines of various widths. At the store, barcodes record the set of numbers that specify a product’s ID. Critically, data stored in barcodes is redundan
QR Codes Pandemic Security Risks Barcodes Digital Data
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