Internet and Web Application Security, 3rd Edition

Privacy and Security in Communication

Whether a communication is private or for business, voice or written, public or confidential, its privacy and possibly security matter—and matter a lot. Modern technology provides myriad ways to communicate with others, including, but certainly not limited to, physical face-to-face, digital face-to-face, transmitted voice conversations, recorded voice statements, written correspondence, and even digital or analog images and graphics, inside or outside the lines.

The default should be that all communications are private, unless otherwise indicated. However, this default currently falls to the conversant to apply. If you wish a communication to be private or secure, you have the responsibility to make it so, ...