The document discusses version 1.1 of the Framework for Improving Critical Infrastructure Cybersecurity published by NIST in April 2018. It provides an overview of key additions and changes in version 1.1, including a new supply chain risk management category and subcategories, as well as clarified language for some existing subcategories. It also outlines NIST's role in developing cybersecurity standards and describes how organizations can use the Framework to manage cybersecurity risks by customizing profiles and conducting gap analyses.