This is a Request for Information (RFI) from the Naval Supply Systems Command on behalf of the Naval Criminal Investigative Services (NCIS) in Quantico, VA, seeking sources to support the NCIS Cyber Directorate in countering threats to Department of the Navy assets and networks. The base period of performance runs from 16 February 2027 through 15 February 2028, with two optional periods extending to 15 February 2030. Contractor personnel must possess a valid TOP SECRET security clearance at the time of quote submission and maintain it for the contract’s life. The NAICS code is 541512, with a small business standard of $34,000,000. Responses are due by 5:00 PM Eastern Time on 28 May 2026, and must not exceed three pages.