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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

  • 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


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