Summary

   

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Intrusion Detection is an up-and-coming technology that you can put into practice today on your Macintosh. Be it simply monitoring and reacting to portscans on your local computer or watching the traffic for your entire enterprise network, there are Open Source security tools that are up to the task. To effectively use an IDS, you must first understand that they are not perfect systems and can be tricked by both clever attackers and innocent users who just happen to transmit data that matches an attack signature. Although the chance of false positives and undetected attacks is always a possibility, intrusion detection systems can provide an early warning to larger attacks around the corner, and provide protection to all members of your network ”even Windows users.

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