What if all documents of Pandora Papers were enriched with invisible marks that can help to determine who compromised each of them? Just imagine! And not only in that case but in each situation, it will be very important to be sure that you can find the source of the leak of your own documents or documents with your personal data. Some people use watermarks, but they can be removed. Only technologies with invisible methods of steganography can really protect your documents. Do you know any solutions that can help with this?