Department of Electrical and Computer Engineering Department of Computer Science and Engineering Electronics and Telecommunications Research Institute This document describes an information model and a YANG data model for the Analytics Interface between an Interface to Network Security Functions (I2NSF) Analyzer and a Security Controller in an I2NSF system in a Network Functions Virtualization (NFV) environment. The YANG data model described in this document is based on the I2NSF NSF- Facing Interface and the I2NSF Monitoring Interface for enabling the delivery of analytics information based on monitoring data received from a Network Security Function (NSF).