If you don't want the whole world reading your emails, you should encrypt them to protect your privacy. The top email encryption services we've tested can help keep snoops out of your messages.

Reflect for a moment on the fact that the “S” in SMTP stands for “simple,” not “secure.” The e-mail protocol was originally developed for a small number of collegial scientists sending messages about ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. As regular readers of the cybersecurity section here at Forbes ...