How to Merge Encrypted PDF Files. Small businesses working with sensitive PDF documents may choose to encrypt those documents. An encrypted PDF is password protected, which means you cannot open ...

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 ...

Sometimes a PDF needs encryption. Sometimes it doesn't. Here's how and when you can remove unneeded encryption.

How to Open Encrypted Files. Microsoft Windows' built-in encryption utility is designed to protect files from being open, read or modified by other users and computers.

If you get Access is denied message when opening encrypted files, you may need to first export the Encrypting File System (EFS) certificate and key.

If you want to password-protect your PDF documents from outside interference, then maybe you should give PDF Page Lock a test run. It is a free encryption software that lets you easily encrypt PDF ...

Encrypted PDFs play a vital role in protecting sensitive information, especially during online distribution. By ensuring that only those with the correct password can access the content ...