What is a set of concepts and policies for managing IT infrastructure, development, and operations? The information is published in a series of books, each covering a separate IT management topic.

A$.$National Institute of Standards and Technology $($NIST$)$ Cybersecurity Framework $($CSF$)$

B$.$ISO $27002$

C$.$IT Infrastructure Library $($ITIL$)$

D$.$Control Objectives for Information and Related Technology $($COBIT$)$