how to avoid documents not getting copied , downloaded or print

D_wathi
D_wathi used Ask the Experts™
on
Dear Experts:

Our management wants to present the contents of pdf documents and word processor documents to the other company in any way but they should not be able to download , print and take copy, for this i have told them we can show them through the online by webx or skype share but even then if they take print screen they can still capture the data

please help me is there any way that we want to  end users to see the content but they should not be able to download, print or make a copy.
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Dave BaldwinFixer of Problems
Most Valuable Expert 2014
Commented:
No.  If you display it on my computer in any way, I can copy it and do anything I want with it.  If you do not want it copied, do not put it on the internet.
don't show it
Security Samurai
Top Expert 2006
Commented:
Can't, thousands have tried and failed. Screen cap is hardest to thwart, esp on other OS's like mac/linux. If it can be seen on the screen it can be copied. You need to go another route and create non-disclosure documents that are signed and returned to you in hard-copy if possible. You can try a solution like Fileopen's protection, but it only helps thwart copying and opening the pdf, once it is open you can screen-captured then OCR'd.
http://www.fileopen.com/pdf-plug-in-faq/ It's expensive, I'd sooner trust an NDA http://en.wikipedia.org/wiki/Non-disclosure_agreement
-rich
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btanExec Consultant
Distinguished Expert 2018
Commented:
there are security option in PDF to restrict printing; copying text and graphics out of the document; modifying the document; and adding or modifying text notes and AcroForm fields. but then it can be circumvented as in http://www.locklizard.com/pdf_security_news.htm

but even then, print screen is still the final one which we cannot stop easily. I dont really see there is a 100% secure way mean to prevent such inadvertent "data leakage". But I am thinking couple of ways to mitigate
a) some digital right mgmt (DRM) with watermarking. This product looks promising
http://www.locklizard.com/pdf_security.htm

b) some h/w dongle to have before access document
http://www.sivizion.com/how-it-works/how-it-works
Dave BaldwinFixer of Problems
Most Valuable Expert 2014

Commented:
No software method will prevent copying from a big screen with a camera.
btanExec Consultant
Distinguished Expert 2018

Commented:
yap agreed with DaveBaldwin as I mentioned no 100% fullproof means
Rich RumbleSecurity Samurai
Top Expert 2006

Commented:
You should look to non-software (and not even hardware) to address the issue. I'd again look into having a lawyer creating a NDA. Nothing beats old-school.
-rich

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