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Education -> Information security center -> Disable copy paste

Disable Copy Paste
Disabling copying & pasting of pdf documents & content
disable copy


Disable Copy & Paste to Protect Document Content

One of the easiest ways to pirate information is using copy and paste.  It allows a user to capture a graphic image of what you can see on the screen by using the Print Screen key (a hardware feature).

So a critical feature for any DRM application is to disable copy using the Print Screen key.  If you do not disable copy then, obviously, anyone can make a copy.  When you disable copy, you also disable copy paste, because if copy is disabled then there is nothing in the clipboard to paste.

Of course Print Screen is not the only way to copy, so you also have to disable copy in the commonest two forms of the command.  To disable copy paste you also have to prevent the ability to select text using the cursor.  This is the same as disable copy except that you now prevent the use of right click copy with the mouse, or Ctrl-C as a keyboard command.  You have to prevent both of these methods to disable copy, and thus to disable copy paste.

You will notice that we do not have to disable paste, because, if there is nothing to copy then we have paste disabled automatically, and that is much easier than having to develop a system to disable paste explicitly.

Another common way to copy information is to use a screen grabber.  It is more complicated to disable copy where a screen grabber is involved.  It will usually have its own method for making a copy of the screen.  So to disable copy it is necessary to do several things: present a false image to the screen grabber; delete the copy it is making; prevent the screen grabber from being able to run.  Any method to disable copy will have to use all three methods, or possibly more.

There are many ways to disable copy and to disable paste.  If you have copy disabled then you have paste disabled.  If you do not disable copy then you risk having your documents copied and distributed.

Disable copy paste with LockLizard DRM software

Download DRM software that uses digital rights management (DRM) controls to disable copy and to disable paste of your pdf documents, swf flash files, and html web pages.  Disable copying, pasting, printing, and sharing of your content.

Disabling copying and pasting of your documents and information ensures users can not readily produce copies for other people.  With LockLizard DRM software copy and paste is automatically disabled unless you specifically allow it.  Use Safeguard PDF Security to disable copy paste of pdf documents, Protector Web Content Security to disable copy paste of html pages, and Flashguard SWF Security to disable copy and paste of flash content.


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