The best indicator that an information security governance framework has been successfully implemented is A. The framework aligns internal and external resources. This is because the framework should ensure that the information security strategy, policies, and objectives are aligned with the business goals, stakeholder expectations, and regulatory requirements. The framework should also enable the effective allocation and coordination of internal and external resources, such as people, processes, technology, and finances, to support the information security program and its activities.

The framework should ensure that the information security strategy, policies, and objectives are aligned with the business goals, stakeholder expectations, and regulatory requirements. The framework should also enable the effective allocation and coordination of internal and external resources, such as people, processes, technology, and finances, to support the information security program and its activities. (From CISM Manual or related resources)

References = CISM Review Manual 15th Edition, Chapter 1, Section 1.2.1, page 181; CISM Review Questions, Answers & Explanations Manual 9th Edition, Question 49, page 14