CE303 Security of InformationSystems

• What is Information Systems

• IT - wheel of business

• Importance of Information Systems

• Ensure decision makers have appropriate tools

• Ensure information resources are available

• Respond rapidly to information needs

• Challenges:– Global competition– New Competition– New forms of competition

• MIT Research Model

• Strategy > Processes ,Roles,Structures > Technology

• Research Findings:

• Turbulence(challenges) in the business world will continue

• Improvements in IT capability will continue

• Rethink of core business

• Integration provides main opportunities for improving business effectiveness

• Flexible networked organizations need to be created

• Data and information will be a major problem (e.g. Data mining)

• Change of work nature

• Managers must become agents of change

• New roles for organization leadership

• 5 levels of Business Transformation

• IT as a strategic resources

1. Localized exploitation (development)

2. Internal Integration

3. Business process redesign

4. Business network redesign

5. Business Scope Redefinition

• 3 styles of IT Planning

• Independent -> administrative expense

• Reactive -> business expense

• Interdependent -> business investment

• Strategic Alignment Model• Notes p.16 Chapter 1• Need for alignment• Organizational Structure• Business Processes• Trained and Motivated Resources• IT Strategy• Supporting IS infrastructure & Processes