We prevent users from copying text and images and pasting them into other applications.
Unlike Adobe permissions or restrictions, our copy controls cannot be easily removed.
Safeguard PDF Security protects PDF files from the copying of text, printing and screenshots so that users cannot share content with others.
Additionally, you can:
You’ll need to send your recipients the DRM protected file, alongside a download link for the secure reader application and a valid license. The simplest way of doing so is by ticking “Email license” when you add a new user. See how to add a new user and grant them document access.
PDF copy protection is one aspect of PDF security and PDF digital rights management and is the process of applying copy protection controls to PDF documents. In PDF digital rights management systems it is used to:
Copy protection is the Holy Grail of the music and film industries. There have been attempts to make DAT tapes, and then CDs, and DVDs, and now MP3 uncopyable. These industry attempts have been notable only in their lack of success.
At the heart of the problem is that everything on a computer is a copy – there are no originals! To play a music file, or watch a video, or read a PDF document, it MUST be copied on the computer.
It follows that, no matter how hard you might try, something that must be copied in order to be used can also be copied! After all, you can play a music CD and record the output from the speakers if you want to, and no copy protection system on earth can stop you. It’s just a matter of convenience and quality.
So, PDF copy protection cannot rely upon the idea that you can stop people copying computer files. It’s just plain stupid.
Now that you know what copy protection is, you may be wondering if you really need it. Creators, after all, have more tools at their fingers than the constraints software can provide. One of those is the ability to register their copyright for a particular work.
Registering copyright is an important step. It allows you to better enforce your inherent artistic rights. You should not, however, assume that it removes any need for copy protection. If you are selling a work or trying to maintain association with a publicly accessible one, PDF copy protection is a good idea.
Why? Once your work has been distributed by an unauthorized party, it’s very hard to undo. Trying to remove every copy of a file across the internet is just as futile as trying to stop it from being copied in the first place. Though you can file a DMCA request, most piracy sites will refuse to comply with them anyway.
It’s much better if you can either make copies of the file useless to others in the first place or, failing that, find a way to identify the original distributor so that you can sue for damages. In many industries, such tools are essential to a business’s survival.
Well, the first thing to do is make sure that the file that people have access to cannot be used without some other information. If you don’t do that, then you have no copy protection at all. Because you cannot prevent people from copying the file you have to prevent them from being able to make any use of it.
Normally this is done using PDF encryption. This technique means that whilst people can readily copy PDF files, they cannot use the copied file because it is still encrypted. The encryption renders it a useless pile of numbers and letters.
Thus, PDF copy protection is not obtained just by trying to prevent people from copying physical files, but by making sure that the digital files they copy are of no use unless they also have some additional information that they cannot pass on. Specifically, the cryptographic key(s) used to decrypt the files must not be shared. This is achieved by making sure the decryption key is not seen by people and by ‘locking’ it to individual computers. This is a critical feature of any PDF copy protection software.
Protecting PDF files with passwords is therefore useless – it does not provide any copy protection because in order to view the PDF a user must enter a password. If they know this, then they can give it to others along with the ‘protected’ PDF file or just remove the copy protection from the PDF in a PDF editor or password removal application.
Apart from being able to stop unauthorized users from opening protected PDF files you also need to implement additional controls to prevent the copying of content when that PDF is viewed and or printed.
Locklizard uses its own secure PDF Viewers to achieve a higher level of copy protection than other PDF security systems. PDF content cannot be compromised by other applications or the common Adobe PDF security flaws and cracks.
PDF copy protection is not compromised by plug-in failures or conflicts. Plug-ins are potentially so insecure that we prevent them from loading so they can’t compromise security. See Adobe PDF plug-in vulnerabilities.
|NO Adobe Acrobat
We don’t have to update our PDF security product every time Adobe updates Acrobat in order for it to work. We don’t rely on the Adobe Viewer at any time or the Adobe Security Handler due to multiple security issues.
NO passwords are required to grant access to protected PDF content. Users therefore cannot use password crackers to remove copy protection functionality.
|NO temporary files
PDF documents are only ever decrypted on-the-fly in memory and decrypted content is never saved to temporary files.
For a more detailed security overview see our DRM technology.
Not effectively. There are some online tools that let you protect a PDF from copying by converting the text to images. However, this is easily bypassed by using an OCR tool to turn the images back into text. Any good PDF reader can achieve this.
If you want effective protection, you’re better of paying for a more sophisticated tool like Locklizard Safeguard.
It depends on what was used for PDF copy protection. If the answer is Adobe Acrobat or another PDF editing tool, then the answer is absolutely. Due to flaws in the security handler, you can easily remove the print protections with various online tools.
If the owner protected your document with Locklizard Safeguard, you can only print if the publisher allows you to.
If your PDF is protected with Adobe Acrobat, you’ll be prompted for a password when trying to edit and/or open it.
All Locklizard Safeguard PDFs, which are presented in the .pdc file format, are copy protected by default.