Reinvigorate your threat modeling process
There are many things called threat modeling. Rather than argue about which is "the one true way," consider your needs and what your skills, abilities, and schedules are, and then work with a method that's best for you. As part of that approach, some people ask, "What's your threat model?" and "Have you threat modeled that component?" One is requirements elicitation, the other design analysis. At Microsoft, we almost always mean the latter technique. There are more threat modeling methods out there than I can dream of covering in one column. There's also a tremendous diversity of goals. Should your threat modeling process be fast or deep? Should it focus on assurance and completeness, or ease of use? Should you involve experts or developers in every meeting?
[ Read more ]