A global financial institution is conducting a comprehensive review of its due diligence processes to...

A global financial institution is conducting a comprehensive review of its due diligence processes to strengthen its defenses against financial crime. Recent incidents have highlighted vulnerabilities related to employee misconduct, including unauthorized transactions and sharing of sensitive customer information. Additionally, the FI has faced issues with third-party vendors who failed to meet compliance standards, leading to increased regulatory scrutiny.

Which of the following measures would be most effective in addressing the bank's due diligence needs for employees, vendors, and third parties to mitigate insider threats and ensure compliance with AML regulations?