Anti-virus and security software companies have started offering products for Mac OS X, and there is debate about whether Apple's shift to the same Intel architecture used by Microsoft Windows will change the security posture of Mac systems.

Officially, Apple downplays security holes in its products and new OS X attacks -- which are still rare compared to those targeting Windows systems. But some security industry insiders have suggested that the company should appoint a chief security officer to coordinate the company's response to security.