As soon as you're connected to the Internet, applications can potentially send whatever information they want to wherever they want.

Sometimes they do this for good reason, on your explicit request. But often they don't. Little Snitch allows you to intercept these unwanted connection attempts, and lets you decide how to proceed.

Little Snitch informs you whenever a program attempts to establish an outgoing Internet connection. You can then choose to allow or deny this connection, or define a rule how to handle similar, future connection attempts. This reliably prevents private data from being sent out without your knowledge. Little Snitch runs inconspicuously in the background and it can also detect network related activity of viruses, trojans and other malware.

Requirements
Intel, OS X 10.6.8 or later

What's New
Version 3.3.1
Improved dealing with large amount of silent mode suggestions.
Improved Little Snitch Configuration sidebar: Added explanatory texts.
Little Snitch Network Monitor Inspector performance improvements.
Little Snitch Network Monitor respects “Reopen windows when logging back in” option now.
Improved handling of certain VPN connections.
Improved window positioning of Little Snitch Monitor.
Improved validation of profile names.
Improved iOS Simulator support.
Host- and domain rules now have priority over local network rules.
Installer detects Little Snitch Configuration in locations other than /Application and performs update accordingly.
Fixed VPN related kernel panic.
Fixed Little Snitch Installer bug.
Fixed issues causing Little Snitch Network Monitor not to appear in multiple screen environments.
Fixed an issue causing Little Snitch Network Monitor to disappear when dragged on another screen on OS X 10.9.
Fixed an issue where Little Snitch Agent appeared to have crashed.
Fixed an OS X 10.6 related drawing bug in Little Snitch Configuration sidebar.
Minor bugfixes and improvements.

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