Flaws have been uncovered in a vaccine passport iOS app, after security researchers and hackers have shown there are many security issues with Quebec's mobile verification system. Quebec has released ...

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.

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, phone numbers, or even coupons. QR codes are found everywhere from ...