Security-Efficient Identity Management Using Service Provisioning (Markup Language)

Security-Efficient Identity Management Using Service Provisioning (Markup Language)

Manish Gupta (State University of New York, Buffalo, USA)
Copyright: © 2009 |Pages: 11
DOI: 10.4018/978-1-59904-855-0.ch040
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Abstract

Enterprises are increasingly interested in new and cost effective technologies to leverage existing investments in IT and extend capabilities to reduce costs and improve security and productivity. User account and password management has long been a major expense for organizations. As a means to improve the integration of applications hosted both internal and external to the enterprise, enterprises are turning to automated account provisioning systems for providing secure and efficient accesses to wide range of systems. Provisioning and Identity Management are key technologies for enhancing operational efficiencies and gaining improvements in productivity and security. With tremendous growth in the number of information systems and user accounts in any enterprise, standards are key and necessary for solutions to interoperate and integrate with existing solutions. SPML is such a standard that has recently gained immense adoption from organizations. This shift can have major impact on enterprise’s information architecture. In this chapter, we outline the concepts of identity provisioning, service provisioning and how SPML can be leveraged to provide enterprise identity provisioning to both internal and external applications. The paper suggests come common security and business benefits that SPML can introduce. The paper also presents detailed discourse on architecture of SPML and improvises an implementation scenario to effect the functioning of different features and protocols of the standard.
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Introduction

Enterprise digital identity management is a process of employing technologies and procedures to manage information about the identity of users and control access to enterprise resources. The goal of identity management is to improve productivity and security while lowering costs associated with managing users and their identities, attributes, and credentials (Penn, 2002). It is a set of processes, tools and social contracts surrounding the creation, maintenance and termination of a digital identity for people or, more generally, for systems and services to enable secure access to an expanding set of systems and applications. Digital identities, profiles and their management are increasingly required to enable interactions and transactions on the Internet among people, enterprises, service providers and government institutions. (Mont, Bramhall, Gittler, Pato, & Rees, 2000) About 90 years ago, the infamous thief Willy Sutton was asked why he robbed banks. His reply: “Because that’s where the money is, stupid.” Today, information is money and there’s a lot of information out there—vulnerable in databases, exposed in transactions, and circulating on the Web—catapulting identity theft to be the fastest growing crime in the world. While recent laws and legislations (S.761, 2006)(1999/93/EC, 1999) aim at speeding up the process of adoption of digital identities by recognizing the legal validity of digital signatures both on electronic documents and electronic transactions, Internet identity thefts, and related frauds (Arnold, 2000; Coates, Adams, Dattilo, & Turner, 2000) are fast growing crimes that take advantage of poor security and privacy practices and the underestimation of the involved risks. Modern architectures have to control access not only to single, isolated systems, but to whole business-spanning federations of applications and services. This task is complicated by the diversity of today’s specifications concerning, for example, privacy, system integrity and distribution on the Web (Gaedke, Meinecke, & Nussbaumer, 2005) The challenge of resource provisioning only becomes more complex as companies reach beyond organizational boundaries to conduct business. The move towards service-oriented architectures adds yet another layer of complexity as not only users, but also pieces of applications require access to corporate systems. “Creating a standard way in which to communicate user provisioning information between enterprises will greatly improve corporate efficiency, contribute to cost reduction and increase productivity,” said Roberta Witty, Research Director of Gartner, Inc (Gartner, 2007). “The adoption of open standards such as SPML provides market assurance that customers do not need to be dependent on their user provisioning solution vendor for proprietary customization which only adds to the cost of the user provisioning implementation,” she adds (Gartner, 2007).

The chapter analyzes how SPML fits with enterprise business identity management initiatives and provides an exploratory review of SPML’s significance and shortcomings in context of enterprise information systems. The chapter also will present opportunities and challenges that SPML brings to enterprise systems in terms of security and business opportunities. The contributions of the chapter are twofold. Firstly, it presents a review of the current state of enterprise identity provisioning systems and secondly, it analyzes architecture and workings of the SPML standard which is touted to become one of the most commonly adopted standards for digital identity management. The paper is organized as follows: the first section presents introduction and background to the context of the issues involved. The second section presents key concepts and terminologies related to enterprise identity management (EIM) systems, provisioning and SPML. The third section analyzes SPML architecture and explores it components and their interaction. The fourth section discusses different business and security imperatives of SPML for enterprises. The fifth section provides an illustrated example of SPML and reflects on its functioning as it would relate to real world implementation. The final section concludes the paper with summary and discussion points.

Key Terms in this Chapter

Service Provisioning Markup Language: It is an XML-based framework (and an OASIS standard) for managing the allocation of system resources within and between organizations, enabling secure and more dynamic business process integration with their employees, customers, suppliers, and business partners.

Identity De-Provisioning: The process of disabling access of users (digital identities/accounts) to information technology resources

Security Assertion Markup Language: It is an XML standard for exchanging authentication and authorization data between two entities (businesses, applications or other systems), typically between an identity provider (a producer of assertions) and a service provider (a consumer of assertions).

Identity Management Systems: Enterprise Systems designed and deployed to manage digital identities of users of information technology resources to allow for secure access to those resources.

Service Provisioning: The process of allocating services to requestors based on pre-arranged policy.

Identity Provisioning: The process of creating digital identities (accounts) for users of a system and linking appropriate rights to identities.

Identity and Access Management: A set of procedures and technologies to manage information about the identity of users and control access to resources.

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Table of Contents
Preface
Jatinder N. D. Gupta, Sushil Sharma
Acknowledgment
Jatinder N. D. Gupta, Sushil Sharma
Chapter 1
Xin Luo, Qinyu Liao
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Chapter 2
Joon S. Park
E-commerce has grown immensely with the increase in activity on the Internet, and this increase in activity, while immeasurable, has also presented... Sample PDF
E-Commerce: The Benefits, Security Risks, and Countermeasures
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Chapter 3
Pamela Ajoku
Even though weapons and money are considered important factors for running a modern world, at the end of the day, it is all about controlling and... Sample PDF
Information Warfare: Survival of the Fittest
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Chapter 4
Gaeil An, Joon S. Park
In this chapter, we discuss the evolution of the enterprise security federation, including why the framework should be evolved and how it has been... Sample PDF
Evolution of Enterprise Security Federation
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Chapter 5
Roy Ng
The hypergrowth of computing and communications technologies increases security vulnerabilities to organizations. The lack of resources training... Sample PDF
A Holistic Approach to Information Security Assurance and Risk Management in an Enterprise
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Chapter 6
John D’Arcy, Anat Hovav
A number of academic studies that focus on various aspects of information security management (ISM) have emerged in recent years. This body of work... Sample PDF
An Integrative Framework for the Study of Information Security Management Research
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Chapter 7
Aditya Ponnam
Organizations worldwide recognize the importance of a comprehensive, continuously evolving risk assessment process, built around a solid risk... Sample PDF
Information Systems Risk Management: An Audit and Control Approach
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Chapter 8
Udaya Kiran Tupakula
In this chapter we discuss Distributed Denial of Service (DDoS) attacks in networks such as the Internet, which have become significantly prevalent... Sample PDF
Distributed Denial of Service Attacks in Networks
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Chapter 9
Andy Luse
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Firewalls as Continuing Solutions for Network Security
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Chapter 10
Jamie Twycross
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An Immune-Inspired Approach to Anomaly Detection
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Chapter 11
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Chapter 12
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Memory Corruption Attacks, Defenses, and Evasions
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Chapter 13
Dalila Boughaci, Brahim Oubeka, Abdelkader Aissioui, Habiba Drias, Belaïd Benhamou
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Design and Implementation of a Distributed Firewall
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Chapter 14
Tom Coffey
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A Formal Verification Centred Development Process for Security Protocols
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Chapter 15
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Edge-to-Edge Network Monitoring to Detect Service Violations and DoS Attacks
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Chapter 16
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A "One-Pass" Methodology for Sensitive Data Disk Wipes
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Chapter 17
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Securing E-Mail Communication with XML Technology
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Chapter 18
Li Yang, Raimund K. Ege, Lin Luo
This chapter describes our approach to handle security in a complex Distributed Virtual Environment (DVE). The modules of such an environment all... Sample PDF
Aspect-Oriented Analysis of Security in Distributed Virtual Environment
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Chapter 19
Information Availability  (pages 230-239)
Deepak Khazanchi
This chapter describes the concept of information availability (IAV) which is considered an important element of information security. IAV is... Sample PDF
Information Availability
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Chapter 20
Siraj Ahmed Shaikh
The purpose of this chapter is to introduce the reader to the research area of formal analysis of authentication protocols. It briefly introduces... Sample PDF
Formal Analysis and Design of Authentication Protocols
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Chapter 21
Rajeev R. Raje, Alex Crespi, Omkar J. Tilak, Andrew M. Olson
Component-based software development offers a promising technique for creating distributed systems. It does require a framework for specifying... Sample PDF
Access Control Frameworks for a Distributed System
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Chapter 22
Manish Gupta, JinKyu Lee, H. R. Rao
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Chapter 23
Sue Conger
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Chapter 24
Sushma Mishra
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Chapter 25
William H. Friedman
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Chapter 26
Yvette Ghormley
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Business Continuity and Disaster Recovery Plans
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Chapter 27
Yvette Ghormley
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Security Policies and Procedures
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Chapter 28
Arjmand Samuel
This chapter outlines the overall access control policy engineering framework in general and discusses the subject of validation of access control... Sample PDF
Enterprise Access Control Policy Engineering Framework
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Chapter 29
Sushil K. Sharma, Jatinder N.D. Gupta
The purpose of the information security policy is to establish an organization-wide approach to prescribe mechanisms that help identify and prevent... Sample PDF
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Chapter 30
Paul D. Witman
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A Guide to Non-Disclosure Agreements for Researchers
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Chapter 31
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Chapter 32
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Chapter 33
Sushil K. Sharma, Jatinder N.D. Gupta, Ajay K. Gupta
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Chapter 34
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Chapter 35
Robert W. Proctor, E. Eugene Schultz, Kim-Phuong L. Vu
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Chapter 36
Wm. Arthur Conklin
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Chapter 37
Christopher M. Botelho, Joseph A. Cazier
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Guarding Corporate Data from Social Engineering Attacks
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Chapter 38
Tom Clark
Data storage is playing an increasingly visible role in securing application data in the data center. Today virtually all large enterprises and... Sample PDF
Data Security for Storage Area Networks
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Chapter 39
Edgar Weippl
This chapter outlines advanced options for security training. It builds on previous publications (Weippl 2005, 2006) and expands them by including... Sample PDF
Security Awareness: Virtual Environments and E-Learning
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Chapter 40
Manish Gupta
Enterprises are increasingly interested in new and cost effective technologies to leverage existing investments in IT and extend capabilities to... Sample PDF
Security-Efficient Identity Management Using Service Provisioning (Markup Language)
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Chapter 41
Dwayne Stevens, David T. Green
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Chapter 42
Jose M. Torres
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Chapter 43
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Chapter 44
Rodolfo Villarroel, Eduardo Fernández-Medina, Juan Trujillo, Mario Piattini
This chapter presents an approach for designing secure Data Warehouses (DWs) that accomplish the conceptual modeling of secure DWs independently... Sample PDF
An MDA Compliant Approach for Designing Secure Data Warehouses
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Chapter 45
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Survivability Evaluation Modeling Techniques and Measures
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Chapter 46
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Chapter 47
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