• Doyensec was founded in 2017 by John Villamil and Luca Carettoni and they are its only stakeholders. The company exists to further the passion and focus of its creators.
  • We keep a small dedicated client base and expect to develop long term working relationships with the projects and people with whom we work. Doyensec is all about quality and bettering the infosec ecosystem.

our principles


    We believe that quality is the natural product of passion and care. We love what we do and continuously work on mastering our craft. Every engagement is finely executed with dedication and attention to details.
  • expertise

    Our team has decades of experience in application security. We are industry leaders in penetration testing, reverse engineering, and source code review. Doyensec researchers have found and reported numerous vulnerabilities in widely-deployed products, secured fortune 500 enterprises, advised startups and worked with tech companies to eradicate security flaws.
  • focus

    Security craftsmanship is all about the individualized attention to our clients and the delivery of tailored security principles and products. We concentrate on application security and do fewer things better.
  • research

    The fast changing landscape of technology and security threats requires constant innovation. We are dedicated to providing research-driven application security and therefore invest 25% of our time exclusively to research where we build security testing tools, discover new attack techniques and develop countermeasures.