The Department of Defense, specifically the Army Contracting Command at Aberdeen Proving Ground, is seeking information through a Request for Information (RFI) regarding the Castle Keep project, which focuses on defensive cyberspace operations. The procurement aims to develop, test, and accredit the Castle Keep automated security program utilizing Amazon C2S cloud services, ensuring the secure management of sensitive information while adhering to stringent cybersecurity policies. This initiative is crucial for maintaining the Army's operational capabilities in cyberspace, emphasizing the need for high-level security clearances, technical documentation, and compliance with performance metrics. Interested parties can reach out to Esha Guhaniyogi at esha.guhaniyogi.civ@army.mil or Lynette N. Perez at lynette.n.perez.civ@army.mil for further details.