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Information  Security and Privacy                            Mithilesh Kumar Dubey, Lovely Professional University




                    Notes                  Unit 11: Security Models & Frameworks and
                                         Methodologies for Information System Security


                                     CONTENTS

                                     Objectives
                                     Introduction
                                     11.1 Introduction to Security Models
                                     11.2 Terminology
                                     11.3 Frameworks
                                          11.3.1  Introduction to ISO 27001

                                          11.3.2  COBIT
                                          11.3.3  SSE-CMM
                                     11.4 Methodologies for Information System Security
                                          11.4.1  INFOSEC Assessment Methodology (IAM)
                                          11.4.2  INFOSEC Evaluation Methodology (IEM)
                                          11.4.3  Security Incident Policy Enforcement System (SIPES)
                                     11.5 Summary
                                     11.6 Keywords
                                     11.7 Review Questions

                                     11.8 Further Readings

                                   Objectives

                                   After studying this unit, you will be able to:
                                      Understand the concept of security models and frameworks

                                      Discuss the models ISO 27001, COBIT, and SSE-CMM
                                      Understand methodologies of information system security such as IAM, IEM and SIPES

                                   Introduction

                                   A model is an theoretical, conceptual build that represents processes, variables, and associations
                                   without offering particular guidance on or practice for execution. A framework  is a defined
                                   sustains structure in which another software project can be controlled and developed. In this
                                   unit you will understand the concept of security models and frameworks. A methodology is a
                                   body of practices, procedures, and regulations accessed by those who work in a discipline or
                                   connect in an inquiry. You  will understand various methodologies  for information system
                                   security such as IAM, IEM, and SIPES.

                                   11.1 Introduction to Security Models

                                   Information Security Models overpass the gap among security policy declarations (which clarify
                                   which clients should have access to data) and the operating system execution (which permits  an



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