Actually, this mechanism has been there since at least Snow Leopard, if not before. See the screenshot of Exceptions.plist on page 4 of [0]. [0]http://www.inte

Actually, this mechanism has been there since at least Snow Leopard, if not before. See the screenshot of Exceptions.plist on page 4 of [0]. [0]http://www.intego.com/mac-security-blog/dl/How-the-Anti-Malware-Function-in-Apples-Snow-Leopard-Works.pdf http://www.intego.com/mac-security-blog/dl/How-the-Anti-Malw...