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The views expressed in this blog are my own and do not necessarily reflect the views of Adobe Systems Incorporated.
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December 16, 2005
Redacting PDFs
Redaction, by definition, means removing information from documents. In the old days of paper, xacto knives were used to cut text from the paper and it was then photocopied with a black sheet of paper behind it.
As numerous folks have found out, covering up information in an electronic file is not the same as deleting it.
Note: This article was written before Acrobat 8 shipped which includes robust tools for detecting improper redactions (Acrobat 8 Standard and Pro) and full-featured Redaction tools (Acrobat 8 Professional).<\p>
There have been numerous cases recently where improper redaction led to accidental disclosures: Acrobat annotations are not meant for redaction. They are used for notes, comments and callouts. The best way to redact a PDF is to use PDF Redaction software. Appligent http://www.appligent.com offers Redax for Acrobat. There are two versions- Redax and Redax Lite. These operate as plug-ins within Acrobat and allow you to completely and securely delete text and graphics from the document. It has a variety of other features such as search and redact, etc. We like it so much at Adobe, we sell it in the Adobe on-line store! There is another alternative which doesn't require any special software, but I do not recommend it unless you are . . .
At this point, all you have done is to cover up the items you want to redact. To *really* get rid of the information, you need to flatten the file. Acrobat will save each page of your PDF as a separate, sequentially numbered TIFF file. You can now recombine the TIFFs into a single, image-only PDF.
If you have a lot of these to do, you can Save to TIFF and create PDF from TIFF in batch using Acrobat Professional. I frequently hear from my law firm and corporate legal customers that they would like Acrobat to include native redactions tools. To me, there is no doubt that the customer demand is there. I hope that someday Adobe will include best-of-breed redaction tools in our products. Until then, I'm interested in hearing your opinion which I will share with our product team. Let me know in detail how you could envision redaction tools working in Acrobat. I look forward to hearing from you.
Redaction Futures
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