An organization has recently implemented new security standards as part of its strategy to enhance its information systems security. The security team monitors the implementation of these standards and revises them as necessary. Considering the given scenario, what is the primary purpose of the security team monitoring and revising the security standards?

A$.$Detecting and eliminating all software vulnerabilities

B$.$Training the staff on the latest cybersecurity trends

C$.$Guaranteeing a $100\%$ prevention of cybersecurity incidents

D$.$Ensuring the standards remain effective and relevant