You start an application that tells you that a new version is available. You suddenly realize that with every start this application connects to the developer's server. Even statistics information about your computer may be sent this way. Little Snitch helps you avoid this situation.

Trojan horses can be detected and prevented on the transmission of data. On a more general basis, network connections to certain servers can be denied.

This universal binary runs natively on both PowerPC and Intel-based Macs.