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 ...

German academics have developed a new attack that can extract and steal data from encrypted PDF files, sometimes without user interaction. Named PDFex, the new attack comes in two variations and was ...

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

Small businesses working with sensitive PDF documents may choose to encrypt those documents. An encrypted PDF is password protected, which means you cannot open the document unless you type in the ...

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 ...

Kremlin-backed hackers are serving up encrypted PDFs to manipulate victims into installing a decryption utility that's actually malware, Google says. Like other hackers, Coldriver will try to hijack a ...