QR code phishing has emerged as a serious threat. A retrofit variation that uses cryptographic security and can even work offline might just be the solution.

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SDMQR codes look much like traditional QR codes, but they use elongated ellipses instead of the traditional black and white squares. Today’s smartphone cameras have such a high resolution that they ...

The ubiquitous QR ("quick response") codes that appear on everything from parking pay stations to soda cans and promotional ...

This week we have an FBI warning about phone scams targeting Android and iPhone users alike. If you don’t know what a QR code is, it is a square block made up of much smaller pixels, each filling up ...