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Training & Workshops

Secure Coding Workshop: How Developers Write Secure Software from the Start

Nico FreitagTraining & Workshops

Security vulnerabilities in software cost companies millions – and most would be preventable. A secure coding workshop empowers developers to think about security from the beginning instead of patching it in afterward. Shift Left Security isn't just a buzzword – it's a necessity.

Why Secure Coding Matters So Much

The numbers speak clearly: - 70% of all security vulnerabilities originate in the development phase. - Fixing a bug in production costs 30x more than in development. - OWASP Top 10: The most common vulnerabilities (SQL Injection, XSS, CSRF) have been known for years – yet they keep being built in. - Supply chain attacks like Log4Shell have shown: A single insecure dependency can paralyze entire industries. - Regulations: NIS2, DORA, and industry-specific requirements demand demonstrable secure coding practices. Secure coding isn't an extra task for security teams – it's a core competency for every developer.

Contents of a Secure Coding Workshop

A hands-on workshop covers these areas: OWASP Top 10 in Detail - Injection attacks (SQL, NoSQL, command injection) - Broken authentication & session management - Cross-Site Scripting (XSS) & Cross-Site Request Forgery (CSRF) - Insecure Direct Object References (IDOR) - Security misconfiguration Secure Architecture - Input validation and output encoding - Least privilege principle - Defense in depth - Secure by default Hands-On Exercises - Hacking vulnerable apps (OWASP Juice Shop, DVWA) - Code reviews with security focus - Security testing with SAST/DAST tools - Secure API development DevSecOps Integration - Security in CI/CD pipelines - Dependency scanning (Snyk, Dependabot) - Container security (Docker, Kubernetes)

Workshop Formats for Different Skill Levels

Beginner (1 day) Security fundamentals for junior developers. Understanding OWASP Top 10, recognizing common mistakes, learning first secure coding patterns. Intermediate (2-3 days) Deeper vulnerability analysis, hands-on with security tools, architecture reviews. For mid-level and senior developers. Expert (3-5 days) Advanced exploitation, custom security tool development, threat modeling, training security champions. For security-focused developers. Language-Specific Every workshop should be tailored to the technologies used: - JavaScript/TypeScript (Node.js, React/Next.js) - Python (Django, FastAPI) - Java (Spring Boot) - C# (.NET) - Go Generic workshops are less effective than technology-specific ones.

Establishing Security Champions in Teams

Not every developer needs to become a security expert. But every team needs a security champion: What is a Security Champion? A developer with deep security knowledge who serves as a contact person and multiplier within the team. Responsibilities: - Conduct code reviews with security focus - Represent security-relevant decisions in the team - Communicate new threats and best practices - Interface with the security team Training: - Extended secure coding workshop (3-5 days) - OWASP resources and community - Regular CTF challenges (Capture the Flag) - Optional certification (CSSLP, CEH) Recommendation: 1 security champion per 8-10 developers. Investment: approximately 10% of work time for security tasks.

Tools and Resources for Secure Coding

These tools support secure development in daily work: SAST (Static Application Security Testing) - SonarQube: Code quality and security in one - Semgrep: Lightweight, rule-based, easy to integrate - CodeQL: GitHub-native security analysis DAST (Dynamic Application Security Testing) - OWASP ZAP: Open source, automated scans - Burp Suite: The industry standard for pentesting Dependency Scanning - Snyk: Comprehensive vulnerability database - Dependabot: GitHub-integrated, automatic PRs - Trivy: Container and infrastructure scanning Learning Resources - OWASP Juice Shop: Vulnerable web app for practice - PortSwigger Web Security Academy: Free labs - Hack The Box: CTF platform for hands-on learning

Conclusion

Secure coding isn't optional – it's mandatory. A well-executed workshop pays for itself many times over: fewer security vulnerabilities, cheaper fixes, better compliance, and a security-conscious development team. Combine workshops with security champions, automated tools, and a DevSecOps culture for maximum impact.

About the Author

Axis/Port.

Nico Freitag

Founder & Geschäftsführer

Nico Freitag is the founder and CEO of Axis/Port. With expertise in AI consulting, software development, and IT security, he helps businesses with their digital transformation.

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