Yahoo! Messenger instant messenging
application is installed. Yahoo! Messenger is an instant messenging program that allows
users to send and receive messages and files over the internet.
Instant messenging programs can be a security risk for the following reasons:
- The content of instant messages is not encrypted, and thus can be read
by anyone who can sniff the network.
- Most instant messenging programs provide the capability for trading files. These
programs can be configured to share entire hard drives, which means that sensitive
data (including passwords, email, and confidential documents) can be leaked to the
- Instant messenging programs are often used to download additional software that
may pose its own security risks (due to viruses and trojan horses).