First Move (11~18) - Code, Learn, Build
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First Move (11~18) - Code, Learn, Build

Structured, level-based technology learning paths from foundational exploration to industry mastery.

Learning Domains

  • Python Programming (Active)
  • Computer Science Core
  • Web Development
  • AI & Machine Learning

Platform Architecture

  • Level-Based Progression
  • Decoupled Content Schema
  • Modular Code Execution Engine
  • Curated Official Resources

© 2026 First Move (11~18) • CODE • LEARN • BUILD. Built with Next.js App Router.

Readability & Accessibility First

🏠Home/📚Courses/🛡️Web Security & OWASP Defense
Cybersecurity & Defense⭐ Intermediate🎓 Industry Certificate Ready

Web Security & OWASP Defense

Master application security, OWASP Top 10 vulnerabilities, XSS/SQLi defenses, JWT security, and secure coding practices.

Modules
3
Lessons
6
Duration
~45h
Practice
8 items
Cybersecurity Operations, Defensive Security and Encryption
🛡️
Web Security & OWASP Defense
Interactive Workbenches • Real Code Verification
First Move (11~18) Certified
💡Competency Blueprint

Skills You'll Build

Develop a complete tripartite engineering profile combining deep technical execution, rigorous analytical problem solving, and professional industry collaboration.

⚙️

Technical Skills

Foundational syntax, runtime mechanisms, and domain architectures.

✓OWASP Top 10 Vulnerabilities
✓SQL Injection & XSS Exploitation/Defense
✓Network Packet Analysis (Wireshark)
✓Nmap Port & Service Scanning
✓Burp Suite Traffic Manipulation
✓Cryptographic Hashing & Salting
🧠

Problem Solving & Optimization

Algorithmic reasoning, performance profiling, and defensive error mitigation.

✓Vulnerability Root-Cause Diagnosis
✓Exploit Chain Reconstruction
✓Defense-in-Depth Planning
✓Security Incident Triage
🤝

Professional & Collaborative Engineering

Version control workflows, code review literacy, and industry documentation.

✓Responsible Disclosure Standards
✓Technical Remediation Writing
✓Compliance Standards (ISO 27001, SOC 2)
✓Threat Modeling
🛠️Engineering Toolchain

Tools & Technologies You'll Work With

Master the exact production technologies, runtimes, development frameworks, and deployment platforms demanded by modern engineering teams.

🦈
TOOL

Wireshark & Tcpdump

Traffic Analysis

Packet sniffing and real-time network protocol decoding.

🔍
TOOL

Nmap & Netcat

Reconnaissance

Network exploration, host discovery, and port auditing engine.

🕷️
TOOL

Burp Suite & OWASP ZAP

Web Security

Interactive proxy for intercepting and testing web application HTTP traffic.

💣
FRAMEWORK

Metasploit Framework

Exploitation

Modular penetration testing platform and exploit payload verification.

🐉
PLATFORM

Kali Linux

Security OS

Dedicated security testing distribution packed with hundreds of audit tools.

🛡️
TOOL

Snort / Suricata

Defense

Open-source network intrusion detection and prevention systems.

🏢Real-World Impact

Where You'll Use This

The engineering skills developed in Web Security & OWASP Defense power critical digital infrastructure across diverse high-impact sectors worldwide.

🖥️

Operating System

Audit OS kernel permissions, privilege escalation vectors, process security, and access control lists.

Representative Systems:
Linux HardeningWindows Active Directory SecurityKernel Audits
🌐

Networking

Analyze packet flows, TCP/IP handshakes, routing anomalies, DNS security, and TLS cryptographic suites.

Representative Systems:
Packet InspectionFirewall RulesNetwork Architecture Audits
🛡️

Network Security

Deploy Intrusion Detection Systems (IDS), VPNs, secure proxies, and defense-in-depth perimeters.

Representative Systems:
Snort / Suricata IDSZero Trust NetworksWAF Deployment
⚔️

Ethical Hacking

Conduct authorized penetration testing, vulnerability discovery, exploit verification, and security reporting.

Representative Systems:
Red Team ExercisesBug Bounty ProgramsPenetration Tests
☁️

Cloud Security

Secure multi-tenant cloud workloads, identity federation, secret management, and compliance frameworks.

Representative Systems:
AWS IAM AuditingKubernetes SecurityContainer Scanning
🧭Signature Career Journey

The Course-to-Career Connection

Experience how every lesson, coding exercise, and tool in this course connects directly to high-impact engineering job roles. Hover or tap any stage to inspect connections.

Step 1: Course
📚

Web Application Security & Ethical Hacking

Foundational curriculum & interactive coding challenges

Web Application Security & Ethical Hacking
Step 2: Skills Built
💡

Engineering Skills

Applied technical competencies & problem solving

Network FundamentalsOWASP Top 10Burp Suite Testing+2 more...
Step 3: Tools Used
🛠️

Tools & Technologies

Industry-standard frameworks, IDEs & runtimes

WiresharkNmapBurp Suite+2 more...
Step 4: Application
🏢

Where It's Used

Mission-critical enterprise & cloud infrastructures

Operating SystemNetworkingNetwork Security+2 more...
Step 5: Careers
💼

Career Opportunities

High-demand software engineering job titles

Cybersecurity AnalystPenetration TesterSOC Analyst+1 more...
✨
Click or hover across any step above to inspect the course-to-career journey.
Connecting foundational instruction ➔ technical competencies ➔ production tools ➔ industry jobs.
Explore All Job Roles ↓
💼Career Opportunities

Industry Roles You Can Prepare For

Explore the real-world software engineering positions directly powered by Web Security & OWASP Defense expertise. Review day-to-day responsibilities and core hiring prerequisites.

Entry-Level● Very High Demand

Cybersecurity Analyst

Monitor security event feeds, triage alerts, investigate incidents, and maintain defensive posture.

Target Hiring Skills:
WiresharkSplunk/SIEMLinuxNetworking
Mid-Level● Very High Demand

Penetration Tester / Ethical Hacker

Simulate cyber attacks against web applications and networks to uncover security weaknesses before attackers do.

Target Hiring Skills:
Burp SuiteMetasploitNmapOWASP Top 10
Entry-Level● Very High Demand

Security Operations Center (SOC) Analyst

Provide 24/7 security monitoring, threat containment, and rapid incident response.

Target Hiring Skills:
Snort/SuricataFirewallsIncident ResponseNetwork Analysis
Mid-Level● Very High Demand

Security Engineer

Architect and implement resilient security controls across CI/CD pipelines, cloud workloads, and services.

Target Hiring Skills:
Cloud SecurityCryptographyPythonDevSecOps
Senior● High Demand

Digital Forensics & Incident Responder

Perform post-breach forensic artifact recovery, timeline reconstruction, and legal evidence handling.

Target Hiring Skills:
VolatilityAutopsyDisk ForensicsMalware Analysis
🚀Portfolio Portfolio Showcase

Real Projects You Can Build

Prove your mastery through production-ready software artifacts. Every project in Web Security & OWASP Defense is designed to solve real-world problems and stand out on your engineering resume.

AdvancedPortfolio Grade

Full Web Application Penetration Test & Audit Report

Conduct a systematic security assessment on a vulnerable web application, verify critical exploits, and generate an executive remediation report.

Skills Demonstrated:
OWASP Top 10Burp SuiteSQL Injection VerificationCVSS Severity Scoring
Tools Utilized:
Burp SuiteOWASP Juice ShopKali Linux
Deliverable: Professional penetration testing report with proof-of-concept exploits.
IntermediatePortfolio Grade

Automated Intrusion Detection & IP Blacklisting Guard

Build a background security monitoring daemon that inspects live traffic, detects brute-force authentication attacks, and dynamically blacklists offending IPs.

Skills Demonstrated:
Network SniffingLog ParsingThreshold AlertingFirewall Automation
Tools Utilized:
PythonTcpdumpIptables / UFW
Deliverable: Deployable defensive network daemon with automated alert notifications.
🗺️Structured Progression

Visual Learning Roadmap

A carefully sequenced 6-stage engineering curriculum designed to build your knowledge incrementally from core fundamentals to interview-ready production mastery.

Roadmap Progress0%
Stage 1⏱️ ~8 hrs

Foundation

Networking Protocols, TCP/IP, and Port Auditing

Core Topics & Competencies:
TCP/IPDNSHTTP/SPort Scanning
Milestone: Network Traffic Decryption Lab
Stage 2⏱️ ~10 hrs

Web Fundamentals

HTTP Headers, Cookies, and Authentication Handshakes

Core Topics & Competencies:
CookiesSessionsJWTSame-Origin Policy
Milestone: Session Hijacking Vulnerability Lab
Stage 3⏱️ ~12 hrs

OWASP Top 10

SQL Injection, XSS, and Cross-Site Request Forgery

Core Topics & Competencies:
SQLiReflected/Stored XSSCSRFIDOR
Milestone: Defensive Input Sanitizer Gateway
Stage 4⏱️ ~14 hrs

Interception & Proxies

Burp Suite Traffic Tampering and Fuzzing

Core Topics & Competencies:
Burp RepeaterIntruderParameter Tampering
Milestone: Automated Vulnerability Scanner Script
Stage 5⏱️ ~16 hrs

Defensive Fortification

Content Security Policy, WAF Rules, and Encryption

Core Topics & Competencies:
CSP HeadersRate LimitingArgon2 HashingTLS Config
Milestone: Hardened Enterprise Security Proxy
Stage 6⏱️ ~12 hrs

Career Readiness

Pen-Test Reporting, Threat Modeling, and Mock Audits

Core Topics & Competencies:
STRIDE ModelCVSS ScoringAudit Dossier Writing
Milestone: Full Penetration Test Portfolio Dossier
🎓

Certificate of Completion

Complete this learning path to earn your First Move (11~18) certificate.

🎓

Course Certification

Certificate of Completion
IN PROGRESS
LESSON COMPLETION0 / 6
PORTFOLIO PROJECTS0 / 2
FINAL ASSESSMENTPassed
MASTERY SCORE0%
Missing Requirements for Certification:
  • Complete all 6 lessons (0/6 completed)
  • Complete all 2 portfolio projects (0/2 completed)
  • Score at least 80% on final assessment (current best: 0%)
  • Achieve overall course mastery of at least 80% (current: 0%)
Structured Learning Journey

Course Curriculum & Level Progression

Guided 3-tier progression taking learners from fundamental concepts to core practical engineering and production mastery.

🌱

LEVEL 1 — FOUNDATIONS

Learn absolute fundamentals, core syntax, environment setup, and fundamental logic blocks.

Module 1

Level 1: HTTP Security & Authentication Defense

2 Lessons

Understand HTTPS/TLS 1.3 handshakes, security response headers, password hashing algorithms (Argon2id, bcrypt), and JWT session security.

1
HTTP/HTTPS Security Protocols & Security Headers⚡ Coding Exercise
Master TLS 1.3 encryption handshakes, HSTS preload headers, Content-Security-Policy (CSP), and CORS cross-origin policies. (30 mins)
Start Lesson →
2
Secure Hashing (Argon2 / bcrypt) & JWT Token Security⚡ Coding Exercise
Differentiate between encryption and key-derivation password hashing (bcrypt, Argon2), and implement secure JWT authentication. (35 mins)
Start Lesson →
🛠️

LEVEL 2 — CORE PRACTICE

Solve realistic problems, master data structures, error handling, design patterns, and mini-projects.

Module 1

Level 2: OWASP Top 10 Vulnerabilities & Code Defenses

2 Lessons

Analyze OWASP vulnerabilities: SQL Injection (SQLi), Cross-Site Scripting (XSS), Cross-Site Request Forgery (CSRF), and Broken Access Control.

1
SQL Injection (SQLi) & Cross-Site Scripting (XSS) Mitigation⚡ Coding Exercise
Prevent SQL injection using parameterized prepared statements, and stop XSS attacks with context-aware HTML escaping and HttpOnly cookies. (40 mins)
Start Lesson →
2
CSRF Defense & Broken Access Control Remediation⚡ Coding Exercise
Mitigate CSRF attacks with SameSite cookies & Anti-CSRF Tokens, and enforce strict server-side authorization checks (BOLA/IDOR). (40 mins)
Start Lesson →
🚀

LEVEL 3 — ADVANCED & PRODUCTION MASTERY

Apply knowledge to real software architecture, security, optimization, scale, and portfolio capstones.

Module 1

Level 3: Advanced Application Security & Threat Modeling

2 Lessons

Perform STRIDE threat modeling, SSRF (Server-Side Request Forgery) prevention, Dependency Vulnerability Scanning (npm audit), and DevSecOps pipelines.

1
Server-Side Request Forgery (SSRF) & Supply Chain Security⚡ Coding Exercise
Identify SSRF risks, block internal IP metadata endpoints (169.254.169.254), and audit open-source dependency vulnerabilities. (40 mins)
Start Lesson →
2
STRIDE Threat Modeling & DevSecOps Security Auditing⚡ Coding Exercise
Apply the STRIDE framework (Spoofing, Tampering, Repudiation, Information Disclosure, Denial of Service, Elevation of Privilege) and automate security static analysis. (40 mins)
Start Lesson →

🏆 Hands-On Portfolio Projects

INTERMEDIATE PROJECT⏱️ ~5h

Automated Web Security Audit Scanner

Build a web security auditor inspecting HTTP response security headers, CORS origins, and SSL/TLS cipher suites.

Open Project Blueprint & Starter Code →
ADVANCED PROJECT⏱️ ~7h

Zero-Trust Authentication & RBAC Service

Build a zero-trust authentication service featuring bcrypt password hashing, JWT refresh tokens, and RBAC authorization.

Open Project Blueprint & Starter Code →