A private cloud is the correct answer as it is operated solely for a single organization, providing the most control over data, security, and quality of service. The private cloud model allows companies to benefit from some of the advantages of cloud computing, like scalability and efficiency, while meeting strict regulatory compliance by maintaining control over their environment. A public cloud is managed by third-party providers and offers services to anyone on the internet, making it less suitable for highly regulated data. A hybrid cloud is a combination of private and public clouds, providing more flexibility but not as much control as a solely private cloud. A community cloud serves a specific community of users with common concerns – it is not tailored to individual organizations that require extensive control for compliance.