And that's what this article is all about - how to encrypt a PDF with passwords and permissions. But you do need the right tools to encrypt PDF files. Today, it's as easy as clicking your mouse a couple of times and setting a strong password. So, how do you do PDF encryption? In the early years of PDF, protection was an elaborate process that could only be done by trained professionals using line-by-line code. Why encrypt PDF documents? The simple answer is security, but a broader answer is that it prevents unauthorized viewing, modification, copying, printing, etc., of a document, so the information contained inside is restricted to a few people with the necessary access keys in other words, the password! Against such a backdrop, PDF encryption is one of the most crucial security layers for official documents. At the higher end of the scale, corporate espionage is a $540 billion threat to the business world, with the notorious capacity to ruin large and small companies overnight. Even small companies and entrepreneurs often need to keep their finances or their operating procedures safe. Businesses deal with confidential information every day.

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