RE: [slightly OT] File protection from copying

Subject: RE: [slightly OT] File protection from copying
From: "Dan Goldstein" <DGoldstein -at- riverainmedical -dot- com>
To: <techwr-l -at- lists -dot- techwr-l -dot- com>
Date: Fri, 25 Jan 2008 08:06:14 -0500

"It is impossible to copy the images and text used in a CopySafe PDF
document, even by using Printscreen or screen capture software."

How do they do that?

(By the way, this thread is not OT at all -- PDF security is a big issue
in our world.)

> -----Original Message-----
> From: Craig Haiss
> Sent: Friday, January 25, 2008 6:29 AM
> To: techwr-l -at- lists -dot- techwr-l -dot- com
> Subject: Re: [slightly OT] File protection from copying
> > --- Lev Abramov wrote:
> > A friend has just completed writing a book which he wants
> > to market online as an e-book. He's looking for a file
> > format which would ensure that the e-book can only be
> > used on one computer and not be circulated
> > freely in violation of copyright.
> CopySafe ( looks promising for
> protecting PDFs. Their website implies that it offers more
> robust PDF protection than just the password-type protection
> offered by most PDF protection tools. Also, PDF seems to be a
> rather popular format for e-books...

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[slightly OT] File protection from copying: From: Lev Abramov
Re: [slightly OT] File protection from copying: From: Craig Haiss

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