Researchers at security firm Check Point Software Technologies explored the possibility of exploiting old, complex fax protocols to gain access to modern multifunction office printers, and then pivot to connected networks. 
Yaniv Balmas is head of security research at Check Point, and he joins us to share what he and his colleague Eyal Itkin discovered.
The research can be found here:
https://research.checkpoint.com/sending-fax-back-to-the-dark-ages/