A technology company utilizes advanced encryption methods to secure data in transit and at rest to ensure that sensitive customer information is protected from unauthorized access and breaches. Which of the following subcategories in the NIST Cybersecurity Framework best supports this scenario for effectively managing the organization's security?
A healthcare provider is enhancing its cybersecurity policies to better protect patient information, particularly by implementing stricter access controls and auditing mechanisms to detect any unauthorized access or data manipulation. This is part of their compliance efforts with health data protection regulations. Which subcategory in the NIST Cybersecurity Framework could best guide the implementation of these stricter access controls and auditing mechanisms?