> [Meteor Lake] introduces the Intel Silicon Security Engine (ISSE), a dedicated component focused solely on securing things at a silicon level ... The Converged Security and Manageability Engine (CSME) has also been partitioned to further enhance platform security.
https://en.wikipedia.org/wiki/Intel_Management_Engine
> Starting with ME 11, it is based on the Intel Quark x86-based 32-bit CPU and runs the MINIX 3 operating system.
If "Silicon Security" functions are now executing on a separate CPU/OS, it's an increase in separation from Intel ME functions.
https://www.anandtech.com/show/20046/intel-unveils-meteor-la...
> [Meteor Lake] introduces the Intel Silicon Security Engine (ISSE), a dedicated component focused solely on securing things at a silicon level ... The Converged Security and Manageability Engine (CSME) has also been partitioned to further enhance platform security.