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There are times where you don’t want to get interrupted by any network related notifications. Little Snitch for Mac runs inconspicuously in the background and it can also detect network related activity of viruses, trojans and other malware. This reliably prevents private data from being sent out without your knowledge. You can then choose to allow or deny this connection, or define a rule how to handle similar, future connection attempts. Little Snitch informs you whenever a program attempts to establish an outgoing Internet connection. But who protects your private data from being sent out? Little Snitch does!
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A firewall protects your computer against unwanted guests from the Internet.
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