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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)

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chapter 30 electronic commerce and business
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
chapter 30 electronic commerce and business2
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
chapter 30 electronic commerce and business3
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"
chapter 30 electronic commerce and business4
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