April 16, 2018 Cybersecurity Framework Version 1.1 Table of Contents Note to Readers on the Update ....................................................................................................... ii Acknowledgements ........................................................................................................................ iv Executive Summary .........................................................................................................................v 1.0 Framework Introduction .......................................................................................................1 2.0 Framework Basics .................................................................................................................6 3.0 How to Use the Framework ................................................................................................13 4.0 Self-Assessing Cybersecurity Risk with the Framework....................................................20 Appendix A: Framework Core.......................................................................................................22 Appendix B: Glossary ....................................................................................................................45 Appendix C: Acronyms .................................................................................................................48 List of Figures Figure 1: Framework Core Structure .............................................................................................. 6 Figure 2: Notional Information and Decision Flows within an Organization .............................. 12 Figure 3: Cyber Supply Chain Relationships................................................................................ 17 List of Tables Table 1: Function and Category Unique Identifiers ..................................................................... 23 Table 2: Framework Core ............................................................................................................. 24 Table 3: Framework Glossary....................................................................................................... 45 This publication is available free of charge from: https://doi.org/10.6028/NIST.CSWP.04162018 vii

Select target paragraph3