PDFex can bypass encryption and password protection in most PDF readers and online validation services Researchers in Germany have invented a new hack that can allow someone to break the encryption of ...

If you need to work with PDFs then you’ve probably built up a whole library of tools to help out: a viewer, a creator, maybe a conversion tool, something else to split or merge files, and the list ...

Encrypting files, folders, and drives on your computer means that no one else can make sense of the data they contain without a particular decryption key—which in most cases is a password known only ...

Most of us share documents via email. But what if it’s a digital copy of your birth certificate, a sensitive medical record, or a confidential legal document? I want to ensure that only the intended ...

I’m going to demonstrate how to do this from the command line. There are other tools for this process, but this particular method is fairly universal across all Linux distributions. Where FILENAME is ...

GnuPG, or GPG, is a free implementation of the OpenPGP standard. It allows you to encrypt and sign your data and communications. It features a versatile key management system and access modules for ...