Jeff Abrahamson on 19 Oct 2005 18:30:35 -0000 |
The EFF decoded the nearly invisible dust that many consumer printers have been leaving on documents for much of the last decade. It turns out it often encodes date and time of printing as well as the model and serial number of the printer involved. They point out that no legal structure exists to prevent government misuse of that information. http://www.tgdaily.com/2005/10/19/eff-decodes-printertrackingdots/ http://www.eff.org/Privacy/printers/ Speculative articles have appeared before, but I'm not aware of the definitive decoding results the EFF reports (but I haven't checked). -- Jeff Jeff Abrahamson <http://www.purple.com/jeff/> +1 215/837-2287 GPG fingerprint: 1A1A BA95 D082 A558 A276 63C6 16BF 8C4C 0D1D AE4B Attachment:
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