Randomization and diversity

• Evolutionary approaches to code

  • Create families of code rather than instances
  • Some things are compatible (e.g., files, GUI)
  • Others are not (e.g., buffer overruns differ)

• Operating system level evolutions

  • On each install, evolve code and interface

• Might want to read:

  • 1992: "Operating System Protection Through Program Evolution"

Notes: