There's no concrete evidence of such a thing, but keep in mind that the ME is advanced enough and exerts enough control over the installed system that it can be

There's no concrete evidence of such a thing, but keep in mind that the ME is advanced enough and exerts enough control over the installed system that it can be hacked and a keylogger covertly installed. Knowing what I know of enterprise coding standards, the likelihood is greater that it is being abused than it isn't.