1. A method of protecting a computing device against malware, the method comprising: defining a pattern of disruption of a sequence of bytes of a machine language program; applying the pattern of disruption to one or more selected machine language programs to produce one or more modified selected programs; determining one or more transforms necessary to reverse the application of the disruptive pattern; and applying the one or more transforms to machine language programs loaded into a read only memory (RAM) of the computing device, whereby only the one or more selected programs will execute correctly.