Security News > 2018 > June > Researchers release app that masks printers’ tracking dots

Did you know that nearly all modern color laser printers put tracking patterns of tiny yellow dots on each piece of paper they print? Most printer manufacturers include these yellow dot patterns, which reveal information such as the serial number of the printer and the date and time when the document was printed. They are effectively invisible to the naked eye and they are ostensibly used to identify suspects in criminal counterfeit investigations. But they … More → The post Researchers release app that masks printers’ tracking dots appeared first on Help Net Security.

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