Threat Modeling is one of the best tools for Security and has been adopted successfully by various Companies around the globe, including Microsoft. Even if it has demonstrated to be a very effective approach, it has not shone for efficiency and has improved only so much compared to other development methodologies over the last years.
All those problems have been reason enough to limit its adoption. It is past due time for change. It is time to make Threat Modeling the flexible, integrated, automated and customizable process you need. Please meet Threat Modeling vNext!