Security is one of those topics you wish would just disappear — because then no one would need to think about it. But until that happens, we’ll end up trying to explain just what’s going on and how you can protect yourself, as happens in this discussion Adam has with Tech Night Owl host Gene Steinberg. follow link
Find Your Mac's Serial Number
Want to check your Mac's serial number quickly and easily? Select About This Mac from the Apple menu, and click on the text directly below "Mac OS X" that reads "Version 10.x.x." Click once and you'll get a build number which is more specific information about the software. Click twice, and you'll get your Mac's serial number.
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Adam Discusses Mac Security on the Tech Night Owl Live