Jon is a senior Linux systems administrator currently working in the Internet security field. Most of his time is spent reviewing security related issues and developing ways to mitigate damage or prevent them from happening in the first place. He has articles published in Linux Journal and Linux Magazines and was previously the Tech Channel editor for b5 Media.
Want to know about the Caesar cipher? Or how the Enigma machine works? Find out in this comprehensive article on history's most famous codes and ciphers.
DNS changer malware can cause your computer to visit a different IP address than the one you intended. This guide tells you how to detect infections – and how to avoid them in the first place.