ORWL has a response to Joanna’s comments on ORWL security:
“Recently, Joanna Rutkowska, the founder of Qubes OS (which we announced as a default OS option), posted on her Invisible Things blog and on Twitter some of her thoughts on ORWL. We offer here our comments and responses to specific points, as well as a more general response. Some of what is described in this update is laid out in our previous update on secure microcontroller (MCU) details.[…]”
https://www.crowdsupply.com/design-shift/orwl/updates/invisible-things
Firmware Security 