I'm a security-focused full-stack developer who helps organizations identify and eliminate vulnerabilities before attackers can exploit them. My approach combines offensive security expertise with modern development practices to create resilient, production-ready systems.
Every line of code I write is tested with the mindset of someone trying to break it. Every system I review is scrutinized through the lens of real-world attack vectors—because security that isn't tested is just hope.
Our Security Philosophy
Analyze
Deep dive into architecture, code, and infrastructure. Understand the system from the inside out before looking for weaknesses.
Attack
Methodically test every component with real-world attack scenarios. Identify not just what breaks, but why and what it means.
Secure
Provide clear, actionable recommendations. Help teams implement security fixes with practical guidance and proven patterns.
Hands-On Security Experience
Proven track record identifying and responsibly disclosing real-world vulnerabilities
Vulnerability Classes Identified
Broken Access Control • Privilege Escalation • API Security Flaws • SQL Injection • XSS • Authentication Bypass
Real vulnerabilities found in production systems and responsible disclosure through bug bounty platforms
Security Testing Expertise
Web Application Penetration Testing
Comprehensive security audits covering OWASP Top 10, API security, authentication systems, and infrastructure hardening
Testing performed on both authorized systems and verified bug bounty programs
Skills & Expertise
A comprehensive overview of my technical capabilities and specializations
Achievements & Certifications
Certifications and recognitions earned through continuous learning, hands-on security research, and competitive cybersecurity challenges
Cybersecurity Fundamentals
Issued by Wilses Cyber Solution
Comprehensive certification covering security principles, threat analysis, and defensive strategies in modern infrastructure and applications.
View Certificate →
Full Stack Web Development
Issued by Science Exploration Zambia
Advanced training in modern web development spanning frontend frameworks, backend systems, databases, and deployment—with security integrated throughout.
View Certificate →
World Wide CTF 2025
Issued by World Wide Flags
Competitive Capture The Flag (CTF) competition participation. Solved complex security challenges involving reverse engineering, cryptography, and exploitation techniques.
View Certificate →
Bug Bounty Researcher
Active on Zedbounty and other platforms
Actively identifying and responsibly disclosing security vulnerabilities in production systems. Verified researcher with a track record of finding critical and high-severity issues.
View Profile →Meet the Team
A group of passionate security professionals dedicated to protecting digital assets and building resilient systems.
Rennie Kawangu
Founder & CTO
Full Stack Develope and Security Expert in web application security and penetration testing with over 3 years of experience.
Ready to Secure Your Systems?
Whether you need a comprehensive security audit, penetration testing, or secure development guidance—let's work together to build systems that are resilient against real threats.