Types of Threats part 1
Duration: 9 min
This video lesson is available to enrolled students.
Enroll to watch — MPPSC Assistant Professor Computer Science Paper 2 2026
AI summary & chapters
AI Summary
An AI-generated summary of this video lecture.
The video lecture covers key security threats in e-commerce, starting with the assets that need protection like client computers and servers. It then details financial frauds, specifically credit card fraud and fake return/refund schemes, using diagrams to illustrate the mechanics. The lecture proceeds to discuss phishing, spamming, and malware, explaining how hackers use these methods to compromise systems and steal data.
Chapters
0:00 – 2:00 00:00-02:00
The video opens with a PDF document titled "Information Security and Cyber Law". The instructor discusses the assets that must be protected in e-commerce, including client computers, messages on communication channels, and web servers. She draws a diagram showing a "Client" sending data that might be intercepted by "Malware" or "spyware". She notes the use of "UDP" and "encrypted" protocols, leading to "Hadec" and "info". She also sketches a server box containing "database", "orders", and "server", emphasizing that hardware attached to servers is also a critical asset. The text on screen mentions "E-Commerce security requirements" and "beginning with the consumer". She highlights that assets include "client computers, the messages travelling on the communication channel, and the web and commerce servers". She also mentions "including any hardware attached to the servers".
2:00 – 5:00 02:00-05:00
The instructor highlights the section "1. Financial frauds" and states they will discuss the two most common types. She details "a. Credit Card Fraud", explaining it happens when a cybercriminal uses stolen data to buy products. She underlines "shipping and billing addresses vary" as a key indicator. She writes "Solution -> Address -> Delhi Mumbai" to explain how Address Verification Systems (AVS) work. She then introduces "b. Fake Return & Refund Fraud", drawing a diagram where "Mohan" sends "9 items" to "Amazon" and then requests a "Refund" to make a "profit". The text mentions "The bad players perform unauthorized transactions and clear the trail, causing businesses great losses". She also notes that hackers "engage in refund frauds, where they file fake requests for returns".
5:00 – 9:19 05:00-09:19
The lecture moves to "2. Phishing", where hackers masquerade as legitimate store owners. The instructor explains that fraudsters present fake copies of website pages to trick users. She draws a diagram showing a user entering "Bank OTP" details on a "Valid Amazon" page, which is actually a trap. She then discusses "3. Spamming", noting that bad players send infected links via email or social media. She mentions that mass-mailed malware infection can reduce website speed. Finally, she covers "4. Malware", listing "spyware, viruses, trojan, and ransomware" as malicious software that can be installed without knowledge, potentially stealing sensitive data from customers and admins. The text mentions "Some bad players can send infected links via email or social media inboxes". She also notes that spamming "reduces its speed and severely affects performance". She mentions that malware can "easily swipe any sensitive data that might be present on the infected systems".
The lecture systematically breaks down e-commerce security threats, starting with the fundamental assets that need protection, such as client devices and server hardware. It then delves into specific financial frauds like credit card theft and fake returns, using diagrams to illustrate the mechanics of these scams. The discussion expands to social engineering tactics like phishing and spamming, explaining how hackers use fake emails and links to compromise user data. Finally, the lecture defines malware, listing various types like trojans and ransomware that can infect systems and steal sensitive information. This progression moves from general security requirements to specific attack vectors and their consequences.