How to keep your mac computer more secure

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Cyber security is a real issue. Today there are a number of different ways that internet attackers can gain access to your computer.  In this video you will see one way that you could use to defend your computer, an application Firewall.  With an application firewall you can setup the security policy to control the input and output calls to your computer. This video shows you how to setup the application firewall on your mac computer.