Brain-Dead Safari Programmers
If Safari is your main browser and youre runnning it as-shipped, your Macintosh is vulnerable as a Brooklyn-based iPod lover . Bad jokes aside * , this is a serious vulnerability that has been targeted by at least one virus/trojan/worm found in the wild. To fix this problem caused by brain-dead Safari engineering, switch to Safari (youre likely in it now), go to Safaris Preferences, click on the General tab and uncheck Open safe files after downloading.
The above image is a link to a (2.4 MB) video tutorial on how to prevent Safari from opening so-called safe files .
For those of you prone to getting techy about such issues, John Gruber of Daring Fireball has an excellent discussion on the nature of this vulnerability , as well as some excellent suggestions for Apples Safari and Finder programming teams.
* The loss of Christopher Roses life is an unmitigated tragedy, and the metaphorical reference to his murder as an abstract concept is not meant to suggest that his death is merely a laughing matter.