Siksha Sarovar

Siksha Sarovar (sikshasarovar.com) is a free educational web application that helps students in India learn programming and prepare for academic and competitive exams. The platform offers structured coding courses (C, C++, Python, Java, HTML, CSS, PHP, Power BI, AI, Machine Learning, Data Science), complete university curriculum notes for BCA/MCA students with previous year question papers, Class 10 and Class 12 CBSE/HBSE school notes, and dedicated preparation material for SSC, UPSC, Banking, Railway and other government exams. Browsing the site is completely free and requires no account. Users may optionally sign in with Google solely to save their learning progress, quiz scores and personal preferences across devices.

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Siksha Sarovar is a free e-learning platform for coding courses, BCA university notes and competitive exam preparation. Optional Google sign-in saves your learning progress across devices.

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4.0 Unit 4 Overview: E-Commerce Security

Lesson 17 of 21 in the free E-Commerce notes on Siksha Sarovar, written by Rohit Jangra.

Unit IV — Overview: E-Commerce Security

Unit IV addresses threats and defences in e-commerce:

  1. Security threats — cybercrimes, fraud, identity theft, DoS, social engineering
  2. Encryption — secret-key, public-key, digital certificates, PKI
  3. Securing channels — SSL, TLS, VPN
  4. Protecting networks — firewalls, proxy servers, IDS/IPS, antivirus

Learning outcomes

After Unit IV you should be able to:

  • Classify security threats: cybercrimes, fraud, spoofing, sniffing, DoS/DDoS
  • Identify threats specific to mobile, social and cloud platforms
  • Explain secret-key (symmetric) vs public-key (asymmetric) encryption
  • Describe digital certificates and PKI components (CA, RA, CRL)
  • Compare SSL vs TLS vs VPN
  • Differentiate firewalls, proxy servers, IDS and IPS

Topic map

Chapter mapping (IPU)

  • TB1 (Laudon): Chapters 5, 6, 7
  • RB4 (Stallings) for network security depth

Typical exam weight

  • Discuss security threats in e-commerce. — 12.5 marks (very high frequency)
  • Differentiate symmetric and asymmetric encryption. — 12.5 marks
  • What is SSL? How does it secure online transactions? — 12.5 marks
  • What is a firewall? Differentiate IDS and IPS. — 12.5 marks