Threat modeling is a critical process that identifies and prioritizes potential security threats in applications by defining security objectives, decomposing applications, ranking threats, and implementing mitigation strategies. It provides a structured representation of all information affecting an application's security, viewed from a potential attacker's perspective, and can be applied to various systems, networks, and devices. By integrating threat modeling into the software delivery lifecycle (SDLC), organizations can enhance security, improve collaboration among developers, architects, and security professionals, and address design flaws before coding begins, saving time and resources. Although beneficial, threat modeling presents challenges such as being time-consuming and requiring a mature SDLC and trained employees. The process involves identifying security objectives, decomposing the application, ranking threats, establishing countermeasures, and generating a comprehensive threat modeling report, with the involvement of security architects, developers, testers, and DevOps teams. Organizations can benefit from conducting threat models both before and after deployment to ensure a robust security architecture and faster remediation of weaknesses.