ARCHIVED: What is instant messaging?

Warning: To avoid viruses spread via instant messaging (IM), think before you click; if you receive a message out of the blue, with nothing more than a link and/or general text, do not click it. For more, see Best practices for computer security.

Instant messaging (IM; also called "instant messenger") is a "presence" technology, meaning that your device (e.g., handheld or desktop computer) is identified when you connect to the network. IM applications function in real time, similar to a telephone conversation; they allow people to make immediate exchanges, and more simply than email. Some examples of IM applications are AIM, IRC, and Skype.

IM applications require accounts or downloaded software, and for the participants to be online at the same time.

IM accounts can fall prey to security exploits, using social engineering to lead victims to worms and other malicious code. When using IM technology, be aware of who you're chatting with and don't click links unless you are sure of their source and sender.

This is document arks in the Knowledge Base.
Last modified on 2013-01-03.

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