Great stuff - enjoyed revisiting the old with renewal. I am reading this as a "radical constructivist epistemologist" - so my comments have roots from thinkers like Heinz von Foerster, Glasserfled and Manturana. I say this now because I have compiled comments - and hope you can reference back this opening to know where I'm thinking from. The first comment, out the gate, is how the INTRO made me think of concepts found in "Dissipative Structures" , quote: "Encryption is cheap, while breaking strong encryption is expensive. This asymmetry shifts the balance of power." **This is dissipative structure thinking applied to security:** ---> The system maintains itself through energy expenditure by attackers ---> Defense is cheaper than attack ---> Viability through sustained imbalance Order from chaos - needs energy input.