London OWASP Training Days 2026

London OWASP Training Days

February 25–28, 2026

London, United Kingdom

Ready to level up your Application Security skills?

London OWASP Training Days 2026 is a dedicated, hands-on training event created by and for the global application security community.
Designed to deliver practical, real-world AppSec expertise, this event brings together developers, security engineers, architects, and technical leaders who want to secure modern applications with confidence.

About the Event

OWASP Training Days focus on immersive, instructor-led learning that goes beyond theory. The carefully curated program combines foundational knowledge with advanced techniques, enabling attendees to apply what they learn immediately in real production environments.

Whether you are just starting your AppSec journey or looking to master advanced offensive and defensive security practices, these trainings are built to sharpen your skills through interactive, hands-on sessions.

Training Focus Areas

The 2026 program covers a broad range of critical application security topics, including:

• API Security: Understanding API fundamentals, common attack vectors, and how to secure modern API-driven architectures.
• Application Security Programs: Building, scaling, and optimizing effective AppSec initiatives and security champions programs.
• AI & Security: Privacy, threat modeling, and security challenges introduced by AI-driven applications.
• Threat Modeling & Risk Analysis: Practical approaches to identifying, prioritizing, and mitigating application risks.
• Secure Development & Testing: Web application security essentials, secure coding, and advanced scanning strategies.
• Mobile & IoT Security: Hands-on techniques for assessing Android, iOS, and IoT applications.
• Offensive Security & Pentesting: Full-stack penetration testing with realistic, hands-on laboratory environments.

Why Attend OWASP Training Days?

• Hands-On Learning: Practical labs and real-world scenarios led by experienced OWASP trainers.
• Community-Driven: Content designed and delivered by active members of the global OWASP community.
• Immediate Impact: Skills and techniques you can directly apply to protect applications and APIs.
• All Skill Levels: From foundational AppSec concepts to advanced security testing and threat modeling.
• Meet RELIANOID: Learn how RELIANOID’s secure, high-performance ADC and proxy solutions help protect applications and APIs as part of a modern AppSec and DevSecOps strategy.

Secure Applications with Confidence

London OWASP Training Days 2026 is the place to deepen your application security expertise through hands-on learning and community knowledge sharing.
Join RELIANOID and AppSec professionals from around the world in London from February 25–28, 2026.