Force your Mac to update malware definitions (Updated)
You've updated your Mac with Security Update 2011-003, but how do you know if you have the latest malware definitions from Apple?
Macworld had a nice technical note on how to force your Mac to update its malware definitions, so we thought we'd pass that knowledge along. To start, you can check to see how old your malware definitions are by launching Terminal (found in your Utilities folder in the Applications folder), copying the following code, pasting it into Terminal at the prompt, and then pressing the Return key:
In my case, this command returned the following:
See that date and time hiding in the middle of that Terminal output?
Now after pasting that command into Terminal again and pressing Return, I see that the latest malware definition was sent today:
After the last security update from Apple, the system is supposed to check daily for updates to the OS X malware definitions. This little tip insures that you ultra-paranoid types can update more often than that.
Update: Adam Christianson of The MacCast wrote up a nice little Mac app to check the version and date (in your local time, not GMT) of the latest malware definition update on your machine. You'll still have to force the update using the method described, but this app keeps you from having to launch Terminal. The app is available here (download link), courtesy of The Mac Observer.
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