The myth that Macs are more secure than PCs and i86 laptops will soon disappear.  Vulnerability is a function of market share and the number of devices, not the brand.  While Apple certainly puts more time and energy trying to make their platforms safe and secure,  the more of them that are sold increases their visibility as a target for hackers.

Sad but true.

New exploit leaves most Macs vulnerable to permanent backdooring | Ars Technica

Thanks to Ars Technica