The NATO Communications and Information Agency (NCIA) is seeking information from industry sources regarding the provision of White Box Vulnerability Assessment (VA) services to support NATO networks. The objective is to identify capable suppliers who can conduct in-depth, credentialed assessments of enterprise systems, including configuration reviews and threat reporting, with a requirement for on-site deployment across NATO's 32 member nations. This RFI is part of a broader initiative to enhance NATO's cybersecurity posture and will inform future contracting frameworks. Interested parties must submit their responses by May 16, 2025, to the NCIA, referencing the RFI number MS-424262-VA, and are encouraged to include relevant organizational experience and qualifications in their submissions.