Chapter 30 - Electronic Commerce and Business

1. Introduction
2. E-Commerce is Big Business
3. Security Made E-commerce Possible
4. Secure Sockets
5. Data May Be Changed
6. Public Key Encryption Provides Authenticity
   Public key encryption is surprisingly general -- in addition to guaranteeing that messages remain confidential, it can be used to verify authenticity.
7. Digital Signatures
   A digital signature consists of a special form of encrypted message; the encryption technology gaurantees that a digital signature cannor be forged.
8. Certificates Contain Public Keys
9. What is Digital Money?
10. Encryption Software Needs a Key
11. Digital Cash Is Not Widely Available
12. Business and E-commerce
13. A Business Must Protect Its Networks
14. Firewalls Protect Networks
15. A Firewall Filters Packets
16. Firewalls Guard Against Trojan Horses
    A firewall is placed between a company and the Internet to restrict access to the company from the outside. To prevent a Trojan horse attack, the firewall also restricts access to the Internet from within the company.
17. DEFINITIONS OF VIRUSES AND OTHER COMPUTER "VERMIN"

Terms

• e-commerce
• e-business
• shopping cart
• sockets
• public key encryption
• digital signature
• digital money
• firewall
• Trojan horse
• virus
• worm
• timebomb / logic bomb
• hacker / cracker