Cyber-attackers frequently trick users into opening PDF files containing malicious code. Once opened, the code triggers security flaws in Adobe Reader and Acrobat and compromises the victim's entire ...

There are times when a PDF truly needs encryption—for instance, if it contains sensitive information and someone just emailed it to you (let’s hope they used another communications method to send you ...

PDFs remain a common way to share documents because they preserve formatting across devices and platforms. Sometimes, however, you end up with several separate PDFs that would be easier to handle as a ...

If you ever find yourself with the need to combine several PDFs into one single file, you may be immediately frustrated: It's not immediately obvious how to achieve what you're trying to do. Luckily, ...