Member Since: Feb 01, 2011
Location: Sacramento, California
07-28-2011, 08:00 PM
Macintosh OS X 10.6 (Snow Leopard) and later contain a malware blocker!
Apple sneaks malware protection into Snow Leopard ? The Register
Intego Spots Malware Blocker in Snow Leopard | Snow Leopard | The Mac Observer
Inside Snow Leopard's hidden malware protection | Security | Macworld
Malware detection in Mac OS X 10.6 Snow Leopard | MacFixIt - CNET Reviews
Intego Security Memo - How the Anti-Malware Function in Apple’s Snow Leopard Works
Apple has said very little about this for public consumption. Apparently they don't want malware writing sociopaths to know what they are up against. However, since the malware blocker in OS X was first released, Apple has very quietly been updating it continually.
In May of 2011 there was a new Trojan Horse released called Mac Defender. It was the first bit of malware for OS X that became very widely disseminated. It is interesting to read about the lengths that Apple went to to protect us from it:
Mac malware 'explosion' missing in action | TUAW - The Unofficial Apple Weblog
As of OS X 10.7 (Lion), many experts now say that the Mac OS is far more secure than any rival operating system:
Experts: OS X now much more secure than rivals | MacNN