Unit 4.1: E-commerce Security and Payment Systems

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Unit 4.1

Unit 4 Intro: E-commerce Security and Payment Systems

IT 204: E-Commerce

Learning Objectives

By the end of this chapter, you will be able to:

  • ✅ Define the six key dimensions of e-commerce security.
  • ✅ Explain why security is a critical foundation for online commerce.
  • ✅ Identify the unique security challenges within the Nepali e-commerce environment.

Why Security Matters ⚡

For e-commerce to function, a fundamental element must be present: Trust.

Both customers and merchants must be confident that their data and their money are safe.

In this unit, we will explore:

  • Major Security Threats
  • Key Technology Solutions (like Encryption)
  • Essential Management Policies
  • Electronic Payment Systems

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20,000

The E-commerce Security Environment

The security environment is complex and constantly evolving. To build a comprehensive security plan, we must understand its core dimensions.

The Six Key Dimensions of Security 📊

  1. Integrity
  2. Nonrepudiation
  3. Authenticity
  4. Confidentiality
  5. Privacy
  6. Availability

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Dimensions 1 & 2

1. Integrity

Ensuring information is not altered by an unauthorized party during transmission or on a website.

Example: Preventing a hacker from changing the price of an item from Rs. 1000 to Rs. 1 while it's in your shopping cart.

2. Nonrepudiation

The ability to ensure that participants cannot deny (repudiate) their online actions.

Example: A customer cannot deny placing an order, and a merchant cannot deny sending a shipment.

Dimensions 3 & 4

3. Authenticity

The ability to identify the identity of a person or entity you are dealing with online.

Example: Knowing you are giving your credit card details to daraz.com.np and not a fake phishing site.

4. Confidentiality

Ensuring messages and data are available only to those authorized to view them.

Example: Your credit card number is encrypted so that a snooper on the network cannot read it.

Dimensions 5 & 6

5. Privacy

The ability to control the use of personal information provided to an e-commerce merchant.

Example: You have the right to know how a merchant uses your purchase history and personal data.

6. Availability

Ensuring an e-commerce site continues to function as intended and is accessible to legitimate users.

Example: The website is protected from Denial-of-Service (DoS) attacks and remains online during a big sale event.

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Practical Application: The Nepali Context 🇳🇵

The e-commerce security environment in Nepal is developing rapidly, but it faces several specific challenges.

Understanding these local challenges is crucial for building successful and secure e-commerce businesses in Nepal.

Key challenges include:

  • High prevalence of Cash on Delivery (COD)
  • Lack of public awareness about online security
  • A still-developing legal and regulatory framework
  • Limited use of secure payment gateways by smaller vendors

Challenge in Nepal: COD & Payment Security

High Reliance on Cash on Delivery (COD)

While popular, COD introduces physical security risks:

  • Risk of robbery for delivery personnel.
  • Risk of customers refusing payment upon delivery.
  • Increases cash handling complexity and costs.

Insecure Payment Methods

Many smaller businesses bypass secure gateways:

  • Payments via direct bank transfer or social media messages.
  • No automated verification or fraud protection.
  • Higher risk of payment disputes and scams for both parties.

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Challenge in Nepal: Awareness & Regulation

🔍 Lack of Awareness

Many consumers are not fully aware of online risks, making them vulnerable to:

  • Phishing scams (fake login pages)
  • Fraudulent sellers
  • Identity theft

⚖️ Developing Legal Framework

The legal framework for e-commerce is still maturing. This can lead to:

  • Difficulty in prosecuting cybercriminals.
  • Unclear processes for consumer rights protection.
  • Ambiguity in handling cross-border transaction disputes.

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Monthly Ad Spend (NPR)
25,000
Conversion Rate (%)
2.0%
Cost Per Click
NPR 8
Est. Monthly Clicks
3,125
Monthly New Customers
63
Cost Per Acquisition (CPA)
NPR 400
Nepal benchmark: Facebook CPC ~NPR 8, Google CPC ~NPR 25. E-commerce avg CVR: 1.5–3%.

Key Takeaways 🎯

  • E-commerce security is built on six core dimensions: Integrity, Nonrepudiation, Authenticity, Confidentiality, Privacy, and Availability.
  • Trust is the foundation of all e-commerce. Without security, there is no trust, and therefore, no transactions.
  • The Nepali e-commerce landscape has unique security challenges, including risks from COD prevalence and a need for greater consumer awareness and stronger regulation.

Exam Practice 📝

Short answer

  1. List the six dimensions of e-commerce security.
  2. Distinguish between confidentiality and privacy.
  3. What is nonrepudiation? Give an example.

Long answer

  1. Explain the six dimensions of e-commerce security from both the customer's and the merchant's perspective.
  2. "Security conflicts with other values." Discuss this statement with examples.

Revise the answers in the full note.

Thank You

Next Up: 4.2 - Security Threats in Detail

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