Mac OS X Security

Preface and Disclaimer

This paper presents an overview of the security situation of Mac OS X. The purpose of this paper is to present security in a very easy-to-understand fashion. I firmly believe that there is an absurd amount of FUD about computer security in general, mostly propagated by vendors of antivirus software and their partners. In the case of Mac OS X in specific, it is very difficult to get accurate, non-sensational information about what the real security threats are. This paper began as a genuine effort to figure out, and then convey, what the real status of Mac OS X security is.

Please be aware that I am no security expert (nor am I a hacker), but simply a normal computer nerd with a passion for most things relating to computers and design. I have made every effort to consult the writings of security experts and convey accurate information. If any security ninjas out there find any inaccuracies, please let me know.

With the exception of the section “Out Of The Box Security and Additional Hardening Measures”, the entire report refers to Mac OS X 10.4 and prior versions. Where possible, I state specific versions of the operating system that I am referring to.

I’ve broken up this report into several pages because it is quite long. You can also download the report in its entirety in PDF format.

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