How does Safeguard Enterprise PDF DRM differ from Acrobat PDF security for the protection of PDF files?
Unlike the Adobe approach, Safeguard Enterprise PDF DRM uses state of the art web based licensing to control who can install and register decryption keys that are required to view your secure PDF documents. This ensures that before someone can view your protected documents they must have first received a license from you so they can install the free secure PDF viewer software and register it. The licenses you issue are one-time use (unless you specify otherwise), so once someone has registered they cannot do it again on another computer. This prevents license sharing. The keys used to decrypt the secure PDF files cannot be extracted from the system (they are encrypted for individual machines), and therefore they cannot be given to others. With Acrobat PDF security, there is nothing to prevent users from sharing the keys used to decrypt protected PDF files. This is true for both PKI keys and for passwords. If PKI keys have been used then users can give their key pair to others. If passw