Earlier quoted context omitted.
Also had this first thought, but then a hack could just be a way around a limit/lack of authorization, doesn't have to be unknown/sophisticated, so copy of black boxes fits
> limit/lack of authorization By serving up the PDF file I am being authorized to receive, view, process, etc etc the entire contents. Not just some limited subset. If I wasn't authorized to receive some portion of the file then that needed to be withheld to begin with. That's entirely different from gaining unauthorized entry to a system and copying out files that were never publicly available to begin with. To put…
I'd say any technical or legal restrictions or possible means to enforce DRM ought to be disabled or absent from the media format used when disseminating content that must be disclosed.
Censorship (of necessary) should purge the data entirely,ie: replace by ###