信息技術投資管理（PDF 172）

Contents
Preface 1
Section 1: Introduction 3
A Maturity Framework Offers Benefits for Refining the ITInvestment
Appr OAch 5
Section 2: Overv IEw of ITIM 7
The ITIM Matur ITy Stages 7
ITIM Stage 1: Creating Investment Awareness 7
ITIM Stage 2: Building the Investment Foundation 8
ITIM Stage 3: Developing a Complete Investment Portfolio 9
ITIM Stage 4: Improving the Investment Process 9
ITIM Stage 5: Leveraging Information Technology for Strategic
Outcomes 10
Progressing T HRough the ITIM Stages of Matur ITy 10
Moving From Stage 1 to Stage 2 10
Moving From Stage 2 to Stage 3 11
Moving From Stage 3 to Stage 4 12
Moving From Stage 4 to Stage 5 12
Section 3: Components of
ITIM 13
ITIM H IErarchy 13
Matur ITy Stages 13
Cr ITical Processes 13
Core Elements 13
Key Practices 13
Prin ciples Guiding the Use and Int ERPretation of ITIM 14
Section 4: Uses Of ITIM 17
ITIM as a Tool for Organizational Improvement 17
ITIM as a Tool for Assessing the Matur ITy of an Organization 18
Lim ITations and Boundar IEs of ITIM 19
Section 5: Cr ITical
Processes For The ITIM
Stages 21
ITIM Stage 1: Creating Investment Awareness 22
Selection Process 22
Control Process 23
Page ii GAO/AIMD-10.1.23 ITIM Framework (Version 1)ii
Evaluation Process 23
ITIM Stage 2: Building the Investment Foundation 25
ITInvestment B OArd Operation 28
ITProject Oversight 36
ITAsset Tracking 46
Business Needs Identification for ITProjects 52
Proposal Selection 60
ITIM Stage 3: Developing a Complete Investment Portfolio 65
Authority Alignment of ITInvestment B OArds 68
Portfolio Selection Criteria Defin ITion 74
Investment Analysis 80
Portfolio Development 86
Portfolio Performance Oversight 94
ITIM Stage 4: Improving the Investment Process 101
Post-Implementation Rev IEws and Feedback 104
Portfolio Performance Evaluation and Improvement 112
Systems and Technology Succession Management 118
ITIM Stage 5: Leveraging Information Technology for Strategic
Outcomes 125
Investment Process Benchmarking 128
IT-Driven Strategic Business Change 134
Appendixes
Appendix I: Development Of ITIM 139
Appendix II: Glossary 141
Appendix III: Guidance For Conducting An ITIM Assessment 149
Phase 1: Prepare for Assessment 151
Phase 2: Collect Evidence 154
Phase 3: Determine Ratings and Finish Assessment 160
Figure 1: Fundamental Phases of the ITInvestment Appr OAch 3
Figure 2.1: The Five Stages of Maturity Within ITIM 7
Figure 2.2: ITIM Stages of Maturity and Cr ITical Maturation Steps 10
Figure 3.1: The Components of an ITIM Cr ITical Process 14
Figure 3.2: Cr ITical Processes Are Typically Introduced at a Lower
Stage Before Reaching Full Implementation 15
Figure 5.1: The ITIM Stages of Maturity With Cr ITical Processes 21
Figure 5.2: ITInvestment B OArd Operation 29
Figure 5.3: ITProject Oversight 37
Figure 5.4: ITAsset Tracking 47
Figure 5.5: Business Needs Identification for ITProjects 53
Figure 5.6: Proposal Selection 61
Figure 5.7: Authority Alignment of ITInvestment B OArds 69
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