Your Kindle device can be a more productive way to work on your documents for reading and annotation. Even documents encrypted with DRM technology can be read on the ...

Adobe's PDF format allows you to combine text and images into portable document files which are easy to share with employees, print or store for later use. As the creator of a PDF file, you can ...

Researchers have developed a new technique that allows attackers to extract contents of a password-protected or encrypted PDF file under special conditions. In a paper — titled “Practical Decryption ...