How Secure Is Your Mac? Do You Need A Firewall?

‘Only the paranoid survive.’ I don’t know who said that but the more I look at life connected to the Internet, the more there’s security in paranoia.

After all, if everyone is out to get you, paranoia is the right attitude to have. Is your Mac secure? Yes. And no. Do you need a firewall on your Mac? Yes.

I’m certain of that because Apple includes a very powerful firewall built in to Mac OS X. A firewall is basically a software application (or hardware running a software application) which limits access to your.... (excerpted).

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