Explanation Using the VPN when accessing the organization's online resources is the most important thing to ensure, as it provides a secure and encrypted connection between the remote employees and the organization's network, and protects the data and systems from unauthorized access, interception, or tampering. VPNs also help to comply with the organization's security policies and standards, and to prevent data leakage or breaches. References = CISM Review Manual 2022, page 3081; CISM Exam Content Outline, Domain 4, Knowledge Statement 4.92; CISM 2020: Remote Access Security; How to Secure Remote Workers with VPN