― Currently there are more than 100 million users of Mac OS X in the entire world. This number continues to grow rapidly over the last few years. However, Mac OS X malware was also increased, including Trojan such as Mac OS X version of DNSChanger, and attacks on Mac OS X that booming in 2011. ∙ On September 2011, the first version of Mac OS X Trojan Flashback appears, and expanded until March 2012. According to data compiled Kaspersky Lab, almost 700 thousand users are infected until early [...].