Intego has seen an eyebrow-raising upward trend in the number of malicious files discovered targeting Mac OS X in the past few years, and it has many security experts concerned. Virus hunters have unveiled yet another modular malware for Mac OS X, called the Ventir Trojan.
more here...........http://www.intego.com/mac-security-blog/ventir-trojan-intercepts-keystrokes-from-mac-os-x-computers/
more here...........http://www.intego.com/mac-security-blog/ventir-trojan-intercepts-keystrokes-from-mac-os-x-computers/