Test 2 Review

1
Test 2 Review
2
Internet Markup Languages

• HTML
• XML
• XBRL

3
Three components of e-commerce

• Economic exchange
• Electronic transmission
• Transportation

4
E-commerce and e-business
E-commerce
E-business-- Transaction elements
5
E-commerce vs. traditional commerce

• E-commerce customers actively search a large set
  of sellers
• Broadcast advertising is less effective in
  e-commerce
• Media is less active and buyers are more active
  in e-commerce

6
Comparing systems

• Electronic Data Exchange (EDI)
• Value Added Network
• Internet based e-commerce
• Non-EDI/Non-internet system
• (e-mail?)

7
EDI vs. Internet

• EDI
• Formal contracts
• Fixed data transfer standards
• Dedicated or secure telecommunications
• Long term relationships

• Internet
• Event driven
• Standards only now developing
• Open systems
• Based on event level trust relationships

8
Definition of the Internet

• Network of networks
• May connect to local area networks (LAN)
• May interface with EDI systems
• Hypertext links
• Navigate the internet via hypertext links
• Text or image that has another internet address
  attached to it
• Data are transmitted in small addressed pieces
  called packets

9
IP addresses and domain names

• Internet protocol (IP) addresses
• 111.111.111.111
• Each block can be 0-255
• Domain name
• www.utsa.edu
• Domain name host
• Domain name warehousing
• E-mail address
• Name_at_utsa.edu

10
Domain name disputes

• Companies with similar names try to register the
  same domain name
• Companies register competitors domain names and
  use them as their own
• Agents warehouse domain names and try to extract
  high fees for transfers

11
Auditing of e-commerce systems

• Auditing around the computer
• Processing portion is ignored
• Reports and alarms
• Logs and data files
• Auditing through the computer
• Verification of controls in a computerized system
• How is electronic data collected
• What authentication techniques are employed

12
Categories or concerns in web-based e-commerce

• What are examples of each of these
• Security of data
• Business policies
• Transaction processing integrity
• Privacy of data

13
Trust Seals

• TRUSTe
• WebTrust
• Verisign
• BBBOnline
• Issues
• Cost
• Authentication
• Who uses them
• What is required to earn

14
EDI

• Financial EDI
• Partial EDI
• Fully Integrated EDI
• EDI/Web-based interface

15
Savings and costs of e-commerce

• How does technology
• Lower costs
• Improve accuracy
• Improve timeliness
• Increase/decrease reliability
• Increase/decrease security

16
What are the e-business relationships

• B2C
• B2B
• G2B
• G2C
• Where is the most opportunity for growth?

17
Encryption

• Tight regulations on strong encryption
• Trend is to allow export of stronger encryption
• To subsidiaries
• To business partners
• Still highly controlled
• Potential illegal activity
• Loss of potential business for US companies

18
EDI transaction standards

• EDIFACT
• ANSI ASC X12
• XBRL

19
Value Added Networks (VAN) provide

• Increased security of data during transmission
• Audit trails
• Acknowledgements
• Authentication
• Note that when the internet is incorporated with
  EDI security of transactions decreases

20
Consumer risks on the internet

• False websites stealing credit card information
• Theft of customer data from sellers or ISP
• Invasion of privacy
• Cookies
• Are there legitimate uses of cookies?

21
What is a

• Virus-replicates itself and spreads to other
  programs
• Wormmoves from program to program over a network
  getting bigger as it moves
• Trojan horselike a virus but stays within a
  single system
• Virus Hoax
• Sniffer
• Hacker

22
Hackers may

• Destroy data or programs
• Use data without authorization
• Alter applications
• Lock up systems by causing buffer overflows
• Cause denial of service attacks

23

• Firewalls are protections against hackers
• Digital signatures are tools for verifying
  acceptances of contracts

24
Be ready to explain

• The differences between EDI and web-based
  e-commerce
• What are trust seals? How and why are they used?
• What are cookies? What are their legitimate and
  illegitimate uses?
• Why is it important that internal and web-based
  systems be fully integrated?
• How does doing business on the web impact
  auditing?
• How do you construct a website? How should files
  be identified and related to each other?

25

• Risks for customers and merchants resulting from
  Internet based commerce.
• Domain names, issues related to the
  authorization, protection and marketing of domain
  names.
• Markup languages, how they are used on the
  Internet, problems and solutions associated with
  markup languages.
• The impact of e-commerce on operating cost,
  timeliness, accuracy, reliability and security of
  transactions.