It's easy to mitigate... Just replace every pre 2014 Mac. 

Ugh.




On Mon, Jun 8, 2015 at 5:38 PM -0700, "Chuck Kimber" <chuck.kimber@usu.edu> wrote:

So.  Are we ready to start installing rootkits on live Macs next assessment?

https://reverse.put.as/2015/05/29/the-empire-strikes-back-apple-how-your-mac-firmware-security-is-completely-broken/