Electronic business, or e-business, refers to the application of information technologies to support business processes across the entire value chain. This includes electronic purchasing, processing orders, customer service, and business partnerships. Special technical standards facilitate exchange of data between companies. Common e-business models include e-shops, e-commerce sites, e-procurement, e-malls, and others. E-business can be classified based on who is providing and consuming, such as business-to-business, business-to-consumer, and others. Key security concerns for e-business include privacy, authenticity, data integrity, and access control. Common security measures involve physical security, data storage, transmission protection, and system administration.

1. ELECTRONIC BUSINESS

2. E - BUSINESS Electronic business, commonly referred to as "eBusiness" or "e-business", or an internet business, may be defined as the application of information and communication technologies (ICT) in support of all the activities of business. Electronic business methods enable companies to link their internal and external data processing systems more efficiently and flexibly, to work more closely with suppliers and partners, and to better satisfy the needs and expectations of their customers.

3. E-business involves business processes spanning the entire value chain: electronic purchasing and supply chain management, processing orders electronically, handling customer service, and cooperating with business partners. Special technical standards for e-business facilitate the exchange of data between companies E-business software solutions allow the integration of intra and inter firm business processes. E-business can be conducted using the Web, the Internet, intranets, extranets, or some combination of these.

5. enterprise resource planning

6. document management systems

8. content management system

9. e-mail

10. voice mail

11. Web conferencing

13. supply chain management

14. online marketing

16. CLASSIFICATION BY PROVIDER AND CONSUMER Roughly dividing the world into providers/producers and consumers/clients one can classify e-businesses into the following categories: business-to-business (B2B) business-to-consumer (B2C) business-to-employee (B2E) business-to-government (B2G) government-to-business (G2B) government-to-government (G2G) government-to-citizen (G2C) consumer-to-consumer (C2C) consumer-to-business (C2B)

17. Extended E-Business Models

18. Business-to-Business (B2B) Business-to-business (B2B) – applies to businesses buying form and selling to each other over the Internet E-procurement – the B2B purchase and sale of supplies and services over the Internet Systematic sourcing – involves buying through prenegotiated contracts with qualified suppliers Spot sourcing – businesses buy transaction-oriented commodity-like products and rarely involves a long-term or ongoing relationship between buyers and sellers

19. B2B exchangesare new organizational forms in digital space that can take place in the following: Buyer model (few buyers, many sellers) Marketplace model (many buyers, many sellers) Longer term relationship model (few buyers, few sellers) Seller model (few sellers, many buyers)

20. Consumer-to-Business (C2B) Consumer-to-business (C2B) – applies to any consumer that sells a product or service to a business over the Internet C2B facilitates the following: Social interaction Personal finance management Purchasing products and information

21. Consumer-to-Consumer (C2C) Consumer-to-consumer (C2C) – appliers to sites primarily offering goods and services to assist consumers interacting with each other over the Internet C2C communities thriving on the Internet: Communities of interest Communities of relations Communities of fantasy

22. Consumer-to-government (C2G) – constitutes the areas where a consumer (or citizen) interacts with the government Government-to-business (G2B) – includes all government interaction with business enterprises Government-to-consumer (G2C) – governments dealing with consumers/citizens electronically Government-to-government (G2G) – governments dealing with governments electronically

23. Tivoli Access Manager fore-business

24. Tivoli Access Manager for e-business Highly scalable user authentication, authorization and Web SSO solution. It centralizes user access management for online portal and business initiatives Deliver consistent Web single sign-on (SSO) to users across heterogeneous Web applications and services

25. Tivoli Access Manager for e-business Manage and enforce policy-based access control and Web security to your enterprise-wide applications, with the ability to scale to tens of millions of users. Provide advanced security capabilities to address key Web vulnerabilities and support flexible strong and risk-based authentication

26. Tivoli Access Manager for e-business Manage and enforce policy-based access control and Web security to your enterprise-wide applications, with the ability to scale to tens of millions of users. Addresses two critical e-business challenges: Automated Identity Management and Security Event Management.

27. E-Business Challenges Security Cost Leverage existing systems

28. ELECTRONIC BUSINESS SECURITY Key Security Concerns within E-Business Common Security Measures for E-Business Systems Security Solutions

29. KEY SECURITY CONCERNS WITHIN E-BUSINESS Privacy and confidentiality Authenticity Data integrity Non-repudiation Access control Availability

30. COMMON SECURITY MEASURES FOR E-BUSINESS SYSTEMS Physical security Data storage Data transmission and application development System administration

31. SECURITY SOLUTIONS Access and data integrity Encryption Digital certificates Digital signatures

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