Learn Web Application Security

Learn web app security & bug bounty — OWASP, IDOR, XSS, SQLi & more

Learn Web Security App is a focused Cognitive Science-based learning app for Web Application Security.
It helps you understand real-world vulnerabilities, memorize payloads and defenses, and build the mindset of a professional security engineer or bug bounty hunter.

Whether you’re preparing for cybersecurity interviews, strengthening your web security fundamentals, or practicing bug bounty skills, Learn Web App Security lets you train efficiently—one concept at a time.

📚 What you’ll learn
🔹 Core Web Application Security

OWASP Top 10 vulnerabilities (latest editions)

Modern web application threats and attack patterns

Common developer mistakes and real-world impact

🔹 XSS (Cross-Site Scripting)

Payloads for different contexts (HTML, JS, attributes)

Filters, sanitization pitfalls, and bypass ideas

Reflected, stored, and DOM-based XSS concepts

🔹 SQL Injection

Classic SQL injection techniques

Blind and time-based SQL injection

ORM pitfalls and query logic mistakes

🔹 Authentication & Session Security

Cookies, tokens, and session management

CSRF attacks and defenses

OAuth and authentication flow mistakes

🔹 HTTP Security & Hardening

Content Security Policy (CSP)

HSTS, X-Frame-Options, X-Content-Type-Options

Secure headers explained with practical context

🔹 Security Tools & Workflow

Burp Suite fundamentals

Browser Dev Tools for security testing

Automation helpers and real-world usage tips


🎯 Designed for serious learners

LearnWebSec is built to help you retain knowledge, not just skim it.

🧠 Spaced repetition inspired by SM-2 (review cards just before you forget)

📦 Deck-based structure with clear categories

📊 Progress tracking and completion indicators

🔥 Streaks, XP, achievements, and daily challenges

⭐ Bookmark difficult cards to revise later

Perfect for daily practice, even with limited time.

🧪 Free vs Pro
✅ Free access

Core fundamentals and OWASP decks

Several complete decks included

Preview access to many advanced decks

🚀 Pro upgrade

Unlock advanced and expert-level cards

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Support ongoing content updates

Choose monthly, yearly, or lifetime access.

🧱 Built with privacy & security in mind

🔒 All learning progress is stored locally on your device

👤 No account required

📡 No cloud sync and no tracking of personal data

📢 Ads served via Unity Ads only (no mediation networks)

Your data stays yours.

👨‍💻 Who is this app for?

Aspiring cybersecurity professionals

Web developers who want to write secure code

Bug bounty hunters and security researchers

Students preparing for security interviews

Anyone learning web application security fundamentals

Learn Web App Security gives you a focused, distraction-free way to master web security concepts—
from OWASP basics to advanced exploitation ideas—one flashcard at a time.