if you set up a very complex password, it is able to protect the safety of the document, because the crack exhaustion methods, such as the need to use violence to crack password, it will need to spend more time. PDF file is really a secure way to distribute your file. Most people know that because of great non-editable feature, but you also need to be aware of PDF security is an important part to assure this. Occasionally, as to this point, you are disabled to copy or print or even open the file.

 This format should permit to realize searching by specified attributes, to represent drafts, to store some documents in one document and to view documents quickly. Using the PDF format to store the documents’ images allows solving all of the tasks counted above. As a general open document in the international standard, easy to use is the greatest characteristic of PDF files, however, PDF format related technology is by no means simple, to really master PDF files technology is also not an easy thing. However, with the help of this article, you will be able to fully understand the PDF document format the relevant technology and software, easily to play PDF.

Along with the development process of information, all kinds of information technology and the wide application of the system, the amount of data grows fast, at this stage of the center of gravity of the information security is no longer confined to the security of the system itself, and should pay more attention to the safety of the data. Today In the information level has very high, what technology can prevent data loss? The author, with a lot of market investigation and study, provide the following three kind of weapons, enough to guarantee your data security.Data security is not a fresh topic. From the early prevent DDOS attack, trojans, viruses, worms, from a firewall, and intrusion detection equipment, hardware equipment such as the use of the gateway, to now the widespread use of encryption software, the whole information process are accompanied with data security.

Need to set up the safety protection of the PDF documents, we suggest using Adobe Acrobat operation, on the one hand, because Adobe Acrobat is more safe and reliable, and on the other hand, there are many third party plugin supporting Adobe Acrobat. Usually, the individual user use password protection document, open the PDF file you want to protect, click on the "advanced" menu, pointing to "security", select "use password encryption" can choose to encrypt the current PDF files and to set the password protection. What you need to pay attention to is the password including open a file password and restrict user print, editing functions password, so, no password can not open the file, and if only install function limit password, everyone can open the file, but only know the password can print, edit the document.

The first weapon: encryption software

Here refers to the encryption software, not the free download of personal level data security encryption software from internet. We can usually in various software download sites, such as download folder encryption super master, the king of such encryption software, the software is just "false encryption", it is easy to be cracked by rookie levels of computer users, and often happen file destruction cannot recover, not very safe, and there are lot encryption and decryption software like PDF Password remover, As we know, generally people like to set restrictions to secure their PDF files to protect them from stealing or tempering with their works by editing, copying or printing them. But it may be annoying to to get a PDF file with decryption. Are you looking for the best PDF Password Cracker to remove password from your PDF files? The powerful but easy-to-use PDF Password Remover is your best choice to do that! The enterprise users in the department, design department, every day have a lot of source code, plane design, circuit design, 3 D map, or audio video files, these documents that need to be in production, use, storage and transfer process to encrypt. This needs to use enterprise "transparent encryption software". Smartsec software represented.

PDF files safety protection measures

The protection measures of PDF files security is so much, you can use the password to restrict user to open, printing and edit PDF, also can use certificate encryption PDF only let the user to open the designated list, enterprise users can also based on the server, Adobe LiveCycle Rights Management ES safety system or FileOpen (www.fileopen.com), protection system to enhance safety of the document, and electronic books provider can also through the DRM (Digital Rights Management, content full Digital copyright encryption protection technology) technology to prevent copies of the document. In daily work and life, people may come across some PDF documents which are generated from PowerPoint presentations. Sometimes people need to copy and quote the content of them but failed. Otherwise, people may desire PDF to PowerPoint converter to recovery their presentation and edit them in MS PowerPoint.

For individual users, can use Windows Rights Management Services (Rights Management service, hereinafter referred to as the RMS), and the Information Rights Management Office version (Information Rights Management, IRM) to prevent user use forwarding, copy means to their abuse your E-mail messages and Office documents (mainly is the Word, Excel, PowerPoint). Foreign enterprise of the commonly used DRM (Data Rights Management) means generally so. For an enterprise users, this kind of rights management is quite amateurs, and the biggest problem is, this kind of rights management is not for data itself high strength of encryption. With such authority management, can't do really fine grit purview division, is a very extensive management, data security is hard to get protection.

Document encryption software.

Document transparent encryption software essentially provides safety value software. Just think, if users choose the software which is an easily cracked encryption software, also its own prevent crack difficulty coefficient is to choose this kind of software must consider the key factors. There exist some publicity on the market, the crack in the online method and the encryption software can be found everywhere, from security point of view.