Advanced hacking & web application security
An intensive 2-day training designed for professionals with a solid foundation in web security. It delves into advanced vulnerabilities and equips participants with the skills to identify, exploit, and mitigate complex security issues in web applications.

Targeted audience:
- Web developers
- System administrators
- Dev(Sec)Ops engineers
- Any cybersecurity enthusiasts
Educational goals:
- Identify and exploit advanced web vulnerabilities
- Understand complex attack vectors like SSRF, XXE, and prototype pollution
- Evaluate risks linked to third-party components and infrastructure
- Apply secure coding practices to mitigate real-world threats
Prerequisites:
- Basic knowledge of web development (HTML, CSS, JavaScript)
- Familiarity with web protocols (HTTP, HTTPS)
- Experience with using command-line tools
- Familiar with basic web vulnerabilities (XSS, CSRF, SQLi…), see the beginner course
Program:
Day 1
- Carriage Return Line Feed injection (CRLF)
- Second order bugs
- Prototype pollution
- PostMessage
- Server-Side Request Forgery (SSRF)
Day 2
- Dependency confusion
- Subdomain takeover
- JSON Web Token security (JWT)
- XML External Entity injection (XXE)
- Emails security
Gwendal Le Coguic - contact@glc.st - quotes on request - SIRET 79778302400038