The document discusses aligning to the NIST Cybersecurity Framework (CSF) in the AWS cloud. It provides an overview of the NIST CSF and why organizations use it. The document then details how AWS services align with the CSF based on third-party assessments. It provides a mapping of AWS services to the CSF functions of Identify, Protect, Detect, Respond, and Recover along with associated customer and AWS responsibilities. The mapping is intended to help customers leverage AWS solutions to facilitate their own alignment with the NIST CSF.