How do you prevent bad actors from "claiming" IP that isn't theirs? Can Kodak's 'master key' change the rights of anyone in the ecosystem? If not, are they in

How do you prevent bad actors from "claiming" IP that isn't theirs? Can Kodak's 'master key' change the rights of anyone in the ecosystem? If not, are they in any part liable for the 'theft' of IP proceeds using their system?