Embed in the software development lifecycle (SDLC): Incorporate threat modeling early in your design process, rather than waiting until the design is finalized to initiate a threat model. Incorporate threat modeling early in your design process, rather than waiting until the design is finalized to initiate a threat model. For threat modeling to be truly effective, it must be integrated seamlessly with other security disciplines, including risk management, secure development practices, incident response planning, and day-to-day operational processes.