O'Reilly logo

Privacy Defended: Protecting Yourself Online by Chris Weber, William Chan, Gary Bahadur

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Privacy and Instant Messaging

Instant messaging (IM) enables users to send messages to each other in near–real-time. IM is typically used while online on computers, but it is also sometimes used on other wireless devices, such as PDAs and cell phones. Even though each brand and version of IM software offers unique features, the basic premise—online chat—remains the same. These applications enable the user to set up lists of people with whom they chat, also known as buddy lists. When you log in to your IM software, your machine contacts the central server and checks to see which of your buddies are online. You can chat with multiple people at one time.

Instant messaging (IM) has grown significantly over the past several years. It has been spreading ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required