Web Application Security | Master class 2025 | 02 - HTTP Request Methods

🔒 Are you new to cybersecurity or curious about web application hacking but don't know where to start? In this beginner-friendly video, we break down the basics of web application security—what the web actually is, how web servers work, and the role of HTTP request methods like GET, POST etc in communication between browsers and servers. You'll also see a hands-on example that visually explains how these concepts come together in real-world scenarios. Perfect for aspiring ethical hackers and curious minds, this is your first step into the exciting world of web app penetration testing and cybersecurity fundamentals. Don’t miss it—start your hacking journey today! 🕵️‍♂️💻

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Watch my whole YouTube Web Application Security Master class playlist here:
https://www.youtube.com/watch?v=623xyb74hoo&list=PL0Wvsi2YTAk9K16emLjVHaZA4eHbqIy4V&index=2

Timestamps:
00:00:00 - Intro
00:00:02 - Welcome & Topic Introduction
00:00:17 - Session Agenda
01:03 - Web Technology Basics
01:12 - What is the Web (WWW)?
01:42 - Web Components: Web Server
02:15 - Web Components: Website
03:03 - Web Components: Webpage
03:24 - Web Components: Web Service
03:57 - How the Web Works
04:07 - Client-Server Architecture (Restaurant Analogy)
05:41 - Hypertext & URLs (Uniform Resource Locator)
06:12 - HTTP Protocol (Communication Standard)
07:24 - HTML (Structuring Content)
08:43 - HTTP Request Methods Introduction
09:49 - Why Request Methods Matter (REST APIs)
11:14 - GET Method Explained
12:54 - GET: Use Cases
13:13 - GET: Pitfalls (Security Risk)
14:05 - GET: Best Practices
14:26 - POST Method Explained
15:19 - POST: Use Cases
15:37 - POST: Pitfalls (Validation, Misuse)
16:52 - POST: Best Practices
17:02 - PUT Method Explained
17:38 - PUT: Use Cases
18:13 - PUT: Pitfalls (Partial Updates, Validation)
19:02 - PUT: Best Practices
19:13 - DELETE Method Explained
19:50 - DELETE: Use Cases
20:00 - DELETE: Pitfalls (Authorization, Data Loss)
20:39 - DELETE: Best Practices
20:58 - OPTIONS Method Explained
21:48 - OPTIONS: Use Cases (CORS)
22:00 - OPTIONS: Pitfalls & Best Practices
22:31 - HEAD Method Explained
22:57 - HEAD: Use Cases & Metadata
23:18 - HEAD: Pitfalls & Best Practices
23:39 - Other Methods (PATCH, TRACE, CONNECT)
24:10 - Practical Example: Setup
24:25 - Example Code: Server (Python/Flask)
27:49 - Example Code: Client (Python/Requests)
29:39 - Running the Example (Proxy, Server, Client)
30:21 - Example Results (MITMProxy): Overview
31:12 - Example Results: Client-Side Output Summary
32:18 - Proxy Analysis: GET All Request/Response
33:51 - Proxy Analysis: POST Request/Response
34:41 - Proxy Analysis: GET by ID Request/Response
35:51 - Proxy Analysis: PUT Request/Response
36:12 - Proxy Analysis: DELETE Request/Response
36:31 - Proxy Analysis: OPTIONS Request/Response
37:30 - Common Vulnerabilities Overview
37:40 - Vulnerability: Injection Attacks
38:12 - Vulnerability: Sensitive Data Exposure
38:24 - Vulnerability: CSRF (Cross-Site Request Forgery)
38:40 - Famous Attack Example: Equifax Breach (2017)
39:56 - Mitigation Techniques (HTTPS, Validation, Auth)
40:44 - Frequently Asked Questions (FAQ)
40:49 - FAQ: POST for Fetching Data?
41:15 - FAQ: Why is PUT Idempotent?
41:27 - FAQ: HEAD vs GET Difference?
41:39 - Best Practices Summary & Recommendations
42:29 - Conclusion & Outro

My channel:
https://www.youtube.com/@UC2uDK4ijEj4zoMvJX3aTBvg

#websecurity #CybersecurityForBeginners #EthicalHacking #HTTPExplained #PenetrationTestingBasics

Видео Web Application Security | Master class 2025 | 02 - HTTP Request Methods канала Adhithya Sivanesh