Final answer:
A Security Control Implementation Strategy (SCIS) is a plan that outlines the steps and measures taken to implement security controls in an organization.
Step-by-step explanation:
A Security Control Implementation Strategy (SCIS) is a plan that outlines the steps and measures taken to implement security controls in an organization. It includes identifying and assessing risks, selecting appropriate security controls, and defining the processes and procedures for their implementation. The SCIS helps ensure that the security controls are deployed effectively and efficiently, helping to protect the organization's information and systems.