Galactic Innovations, an emerging tech start-up. Is developing a proprietary software solution that will be hosted on a cloud platform. The software, designed for real-time communication and collaboration, aims to cater to global users, including top-tier businesses. As the software grows in complexity, the company recognizes the need for a comprehensive security standard that aligns with global best practices. The Intention is to enhance trustworthiness among potential clients and ensure that the application meets industry-accepted criteria, particularly in the face of increasing cyberthreats. Considering the company's requirements and the international nature of its user base, which software security standard, model, or framework should Galactic Innovations primarily focus on adopting?