Which of the following is the MOST important course of action when initiating a procurement...

For Zero Trust architecture, which emphasizes "never trust, always verify,"evaluating the vendor’s security practices is critical. A thorough security assessment ensures that the vendor aligns with Zero Trust principles, such as identity verification, micro-segmentation, and continuous monitoring.

Although having a feature list and contracting template are important downstream activities, and benchmarking can help shortlist vendors, thecore of Zero Trust lies in trust minimization and verification. Hence, vetting a vendor's capability to enforce security controls is paramount.