At 12:20 AM 3/14/02 -0800, Bill Stewart wrote: >The Disappearing Ink folks addressed the retention problem by mailing documents ... >They addressed the screen-scraping problem by saying >"That's not the problem we're trying to solve - way too hard. >We're trying to solve the business problem of erasing messages that both >parties to >the message really do want to have erased.
It does come down to social engineering, doesn't it? A secret shared by more than two is no longer a secret. Motivations will not be the same on all endpoints of a communication, usually. >I have seen paper with anti-screen-scraping features, though. >My wife made a photocopy of a prescription so she could deal with the >insurance people about it and found that the copy had the words >"ILLEGAL COPY" all over it. I'm not sure their watermarking technique, >but apparently there are anti-photocopying prescription pads. Many checks have this kind of "security" background. As if Photoshop never existed.
