Adobe Systems' Portable Document Format (PDF) is one of the great successes of the software industry. PDF has been the de facto standard for document exchange since the mid-1990s, but it wasn't an official ISO standard until 2008.
Unfortunately, the ubiquity of Adobe Reader and other PDF software has made the format a target for malware perpetrators. Along with Sun's Java, Adobe's Flash Player, and Apple's QuickTime media players, it's imperative that you keep your PDF reader up-to-date to prevent it from becoming an entryway for viruses. (I wrote about the importance of keeping your apps updated … Read more