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 ...

Security researchers at Ruhr University Bochum and Westphalia Wilhelm University in Germany announced that they have discovered an attack technique that can steal encrypted PDF content without a ...

The big picture: PDF encryption, as you can imagine, is commonly used in the world of business to protect trade secrets, confidential images and even health records. Some even send e-mail messages as ...