Gabriel Odusanya
I’m an Application Security Engineer focused on helping organizations build, test, and ship more secure software. I work across application security, web and API security, penetration testing, threat modeling, and security throughout the software development lifecycle.
Alongside engineering, I’m a cybersecurity educator, public speaker, YouTuber, and mentor, creating practical content that helps people understand security beyond theory, tools, and certifications.
I build security by understanding how applications are built, how they break, and how they can be made resilient.
My work focuses on Web Application Security, API Security, Penetration Testing, Secure SDLC, Threat Modeling, DevSecOps, and Cloud Security. I approach security from both sides of the equation: understanding how an attacker can abuse a system and understanding what engineering teams need to do to prevent, detect, and remediate those weaknesses.
I’m particularly interested in helping organizations move security earlier into the development lifecycle, rather than waiting until an application is already in production to discover critical vulnerabilities.
Outside of client and engineering work, I share what I learn through YouTube, LinkedIn, X, and technical content, breaking down security concepts, tools, vulnerabilities, methodologies, and career lessons in a practical way.
I also mentor aspiring cybersecurity professionals who want to transition from simply learning cybersecurity to actually becoming useful security practitioners.
01 — Security should be practical.
Security knowledge means little if it cannot be applied to a real system, development workflow, or business problem.
02 — Understand the attack path.
I focus on understanding how vulnerabilities can actually be chained and exploited, not just identifying a vulnerability because a scanner reported it.
03 — Security belongs in engineering.
Application security shouldn't be a final checkpoint before deployment. It should be part of how software is designed, developed, tested, and maintained.
04 — Share what you learn.
Cybersecurity moves fast. I believe the industry becomes stronger when practitioners document their work, teach others, and make technical knowledge more accessible.
From breaking applications to helping build them securely.
My cybersecurity journey has evolved from ethical hacking and bug hunting into application security engineering, with a growing focus on how security can be integrated into modern software development.
I've spent time working with technologies and security tooling across web applications, APIs, cloud environments, Linux, containers, CI/CD pipelines, and security testing workflows.
Today, I'm focused on becoming a stronger security engineer while building an online platform around education, engineering, and knowledge sharing.
Building software?
Let's make it harder to break. I help organizations think more seriously about application security — from identifying vulnerabilities to understanding where security fits within the development lifecycle.
Work with Gabriel ↗
Building your cybersecurity career?
Learn security by actually doing security. Through my content and mentorship, I share practical lessons around Application Security, penetration testing, cybersecurity engineering, tools, career development, and the realities of working in security.
Explore my content ↗
GABRIEL
ODUSANYA.
Application Security Engineer
Educator · YouTuber · Mentor
Application Security
Web & API Security
Penetration Testing
Threat Modeling
DevSecOps