Doyensec

About

Doyensec is an independent security research and development company founded in 2017 by John Villamil and Luca Carettoni. The company specializes in vulnerability discovery and remediation, focusing on application security. Doyensec combines software development with offensive engineering to deliver tailored security solutions. The company offers a range of services, including end-to-end audits of IoT ecosystems, penetration testing, reverse engineering, and source code reviews. Doyensec also specializes in securing generative AI systems, addressing issues such as prompt injection, access control, model integrity, and resource management. With a commitment to research, Doyensec allocates a significant portion of its time to developing security tools and discovering new attack techniques. Doyensec maintains a small, dedicated client portfolio, emphasizing long-term relationships with clients that include Fortune 500 companies, tech firms, and startups. The company prioritizes quality and deep technical assessments in application security, positioning itself as a niche provider for high-stakes security challenges.