Now there are a lot of threats that could harm your computer, especially your files and applications, which circulated through the Internet. Usually the threat is a virus that can infiltrate through the files sent to you via email. Even many PDF files can be infiltrated by an .exe file that can infiltrate your computer. The PDF files are believed by some people as a safe file that has a gap which can not be infiltrated by the threat without your realizing it. However, the numbers of additional data such as voice, video, and other JavaScript does make PDF files more complete. But on the other hand it could create a gap that can be infiltrated threat.
The .exe file that infiltrate in a PDF file can be opened by a PDF reader applications that are often used by most people, like Adobe Reader and Foxit Reader. In some applications, the .exe files can be opened without any warning so that it can infiltrate your computer with ease. There are also applications that can open .exe file with a warning beforehand. Unfortunately it can be manipulated by clicking the button to let the file open and active. With a few different steps in accordance with the application you use, then you can anticipate in advance.
If you are accustomed to using Foxit Reader, you must ensure that your applications are always updated. Foxit Reader with the latest applications has the better security than the old version. If you are using Adobe Reader, you can set up the application by not allowing any open files by itself. That way, the .exe file will not be opened freely, since it requires confirmation from you first. Also, if you receive a PDF file in your email, you should not open it without cautions. Although the file was sent by your friends, even from an unknown sender, you should not immediately believe it. Make sure that the file is completely safe. You also could use PDF reader applications that are not popular because it actually is more secure applications.
