The recent major issue was a trojan that I didn't have. >In other words, if I always follow responsible practices (never opening files from untrusted sources),

The recent major issue was a trojan that I didn't have. >In other words, if I always follow responsible practices (never opening files from untrusted sources), has there been any threat up through now that could compromise my OSX installation? I don't think so but I think you know that otherwise you would not be here. While this story has been posted recently, Apple has removed such articles on their site a few months ago. The ID10T's, as some put it, should be on iOS. This is yet another reason why PCs should only be for professionals.