Web Security (OWASP Top 10): How to Protect Your Web Application from XSS, SQLi, and Other Attacks — A Complete Course Guide

# Web Security (OWASP Top 10): How to Protect Your Web Application from XSS, SQLi, and Other Attacks > **Problem:** A cyber attack occurs every 39 seconds worldwide, and web application vulnerabilities are one of the leading causes of data breaches. A single coding error can cost a company its reputation and millions of dollars. > **Solution:** The "Web Security (OWASP Top 10)" course on asibiont.com — practical training that turns a beginner into a specialist capable of finding and fixing the most dangerous vulnerabilities. > **Result:** You won't just learn theory — you'll learn how to build secure web applications from scratch using current methodologies and OWASP standards. ## Introduction: Why Web Security Is Not an Option but a Necessity Imagine: you launch an online store. Everything works perfectly — registration, cart, payment. But a week later, you discover that an attacker gained access to the customer database through an SQL injection. The result — 50,000 records with passport data leaked online. Reputation destroyed, regulatory fines, lawsuits. This is not fiction. According to the Verizon Data Breach Investigations Report for 2025, over 40% of data breaches are related to web applications. And the OWASP Top 10 — the list of the most critical web security risks — includes attacks that can be prevented by knowing basic protection principles. The **"Web Security (OWASP Top 10)"** course on asibiont.com is designed exactly for this: to give you the tools to not just write code, but to build secure systems. ## What You Will Learn in the Course: Specific Skills The course covers all key vulnerability categories from the OWASP Top 10 — from classic XSS and SQLi to modern issues with OAuth and JWT. Here's what you'll master: ### 1. XSS (Cross-Site Scripting) — Protection Against Script Injections XSS is one of the most common attacks. An attacker injects a malicious script into a page that steals cookies, redirects to phishing sites, or alters page content. In the course, you will: - Learn to distinguish between Reflected, Stored, and DOM-based XSS. - Learn how to configure Content Security Policy (CSP) — a header that blocks unauthorized script execution. - Analyze real cases: how attackers bypass basic filtering and how to prevent it. ### 2. SQL Injection (SQLi) — Database Protection SQLi allows an attacker to execute arbitrary SQL queries. In 2023, Ticketmaster suffered from SQLi, resulting in the theft of data from 560 million users. In the course, you will: - Learn how parameterized queries and ORM protect against injections. - Learn to use prepared statements and escaping. - Understand how to test applications for SQLi using tools like sqlmap. ### 3. CSRF (Cross-Site Request Forgery) — Protection Against Request Forgery CSRF is an attack where the attacker forces the victim's browser to perform an unwanted action on a trusted site, such as changing a password or transferring money. You will: - Learn how CSRF tokens and SameSite cookies work. - Learn to configure protection at the framework level (Django, Spring, Express). ### 4. OAuth and JWT — Secure Authentication Modern applications increasingly use OAuth 2.0 for authorization via Google, GitHub, and JWT for token transmission. But incorrect implementation leads to vulnerabilities. In the course, you will: - Analyze typical mistakes: lack of redirect_uri validation, refresh token leakage. - Learn to configure secure JWT storage (httpOnly cookies instead of localStorage). ### 5. IDOR (Insecure Direct Object References) and SSRF IDOR — when a user can access other people's data simply by changing the ID in the URL. SSRF — an attack on the server where the attacker forces the server to access internal resources. You will: - Learn how to implement access checks at the controller level. - Learn to protect APIs from SSRF using URL validation and blocking internal IPs. ### 6. File Upload Vulnerabilities File upload is a common entry point. An attacker can upload a PHP shell instead of an avatar. In the course, you will: - Learn how to check MIME types, sizes, and file contents. - Learn to store files outside the web root and use Content-Disposition. ## Who Is the Course For? The **"Web Security (OWASP Top 10)"** course is designed for a broad audience but is especially useful for: - **Backend developers** (Python, Java, C#, PHP, Node.js) — to write secure code and pass code reviews. - **Frontend developers** — to protect the client side from XSS and CSRF. - **DevOps engineers** — to configure secure infrastructure and web servers. - **Students and beginners** — who want to enter the cybersecurity field with a practical foundation. To start, a basic understanding of web technologies (HTTP, HTML, JavaScript, SQL) is sufficient. The asibiont neural network will explain the rest. ## How Learning Works on asibiont.com: AI Personalization Traditional courses are recorded videos and identical assignments for everyone. On asibiont.com, the approach is different: learning is built around **AI-generated lessons**. ### How It Works? 1. **You specify your level and goals.** The neural network analyzes what you already know (e.g., you write in Python but are unfamiliar with OWASP) and adjusts the program. 2. **AI generates personalized lessons.** Each lesson is text with explanations, code examples, and practical tasks. If you already know SQL basics, the neural network skips the introduction and goes straight to SQLi. 3. **You learn at your own pace.** 24/7 access, no deadlines. You can reread difficult parts, ask questions to the AI (the neural network explains in simple language). 4. **Practice on real examples.** The course analyzes cases from data breaches (e.g., the Ticketmaster or Facebook incidents) so you see how vulnerabilities are exploited in reality. ### Why Is AI Learning More Effective? - **Adaptability.** If you grasp a topic faster, the neural network speeds up the pace. If a topic is difficult, it gives more examples and tasks. - **No fluff.** You don't waste time on what you already know. The program adapts to you, not the other way around. - **Explaining complex things simply.** The neural network can rephrase technical concepts so even a beginner understands. ## Conclusion: Start Protecting Your Applications Today Web security is not a luxury but a basic competency for a modern developer. Protection errors lead to financial losses, data breaches, and loss of user trust. The **"Web Security (OWASP Top 10)"** course on asibiont.com gives you practical skills you can apply immediately: from configuring CSP to protecting APIs from IDOR. Don't wait until your application is hacked. Start learning right now — [Web Security (OWASP Top 10)](https://asibiont.com/en/course/web-security) — and become a specialist who doesn't just write code but builds secure systems.

Web Security (OWASP Top 10): How to Protect Your Web Application from XSS, SQLi, and Other Attacks — A Complete Course Guide

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