Chapter 30 Electronic Commerce and Business

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Chapter 30 - Electronic Commerce and Business

• Introduction
• E-Commerce is Big Business
• all commercial transactions conducted over the
  Internet
• shopping, online banking, invesing, bill paying
• Security Made E-commerce Possible (shopping cart)
• Secure Sockets (SSL)
• 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.
• Encryption Software Needs a Key

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Chapter 30 - Electronic Commerce and Business

• Digital Signatures
• A digital signature consists of a special form of
  encrypted message the encryption technology
  guarantees that a digital signature cannot be
  forged.
• Certificates Contain Public Keys
• What is Digital Money? (like a debit card)
• Digital Cash Is Not Widely Available
• micropayments
• Business and E-commerce
• A Business Must Protect Its Networks
• Firewalls Protect Networks

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Chapter 30 - Electronic Commerce and Business

• A Firewall Filters Packets
• 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.
• DEFINITIONS OF VIRUSES AND OTHER COMPUTER
  "VERMIN"

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Chapter 30 - Electronic Commerce and Business

• Terms
• e-commerce
• e-business
• shopping cart
• sockets
• public key encryption
• digital signature
• digital money
• firewall
• Trojan horse
• virus
• worm