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 ...

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 ...

Encrypted PDFs play a vital role in protecting sensitive information, especially during online distribution. By ensuring that ...

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 ...

PDF files, even with extra encryption, could be easily hacked, a team academics has found. The new attack, called PDFex, comes in two variations and in testing, it was successfully able to steal data ...

If you have a confidential PDF you want to password protect, you have a few ways to do that on your Windows 11 PC. You can ...