![]() ![]() However, you need to have the right PDF protection software to reap the full benefits of the file format's built-in security features. So, what can you do to protect your work when you save it as one of the most convenient (and hence most popular) file formats known to man? To answer this, we would first have to ask another question, which is. This includes file attachments, scripts, comments, hidden layers, and other elements contained within the PDF. In other words, 76% of these documents contained unprotected metadata that could be exploited to steal confidential information. This became especially evident after researchers at the University of Grenoble Alpes published a paper stating that, out of the 40,000 analyzed PDFs, only 24% were sanitized. With hackers running rampant these days, it's more important than ever to know how to properly secure your files before you send them launching into the organized chaos of the Internet.
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