A security architect at a large multi national national organization is concerned about the complexities and overhead of managing multiple encryption keys securely in a multi cloud provider environment. The security architect is looking for a solution with reduce latency to allow the incorporation of the organizations existing keys and maintain consistent centralize control and management regardless of the data location. Which of the following would best meet the architects objectives a. trusted platform module
b. IaaS
c. HSMaaS
d. PaaS