[X4U] Mac Trojan?

[Neil]

on 2/16/06 7:27 PM, PJ Bearstein wrote:

> "VISTA" an acronym for the top five Windows problems: Viruses,
> Intrusions, Spyware, Trojans and Adware.

What are "intrusions" and ""Trojans"

By the way, would anybody even bother writing a PPC only virus?  Wouldn't it
be just as easy to write a universal binary if you're writing a new program?
Or, is this some low-level UNIX script that is platform independent anyway?