Stephen Aghaulor is a Staff Product Security Engineer in the San Francisco Bay Area with 12 years of experience blending software engineering and application security across Ruby on Rails, Go, Python, and cloud platforms. He has led appsec programs, secure design reviews, and developer training while building security features and services and advising on SAML, OAuth2/OIDC, and threat modeling. Stephen’s hands-on background ranges from cloud operations and CI automation to improving encryption libraries—contributing bug fixes and stronger salt generation to the widely used attr_encrypted project. Comfortable operating at both code and product levels, he helps shape security roadmaps, supports incident response and audits, and brings Unix/Linux networking expertise to complex distributed systems. His unusual mix of philosophy graduate training and long-term operational experience gives him a thoughtful, systems-oriented approach to risk and developer-centered security.
12 years of coding experience
11 years of employment as a software developer
Bachelors, Philosophy, Bachelors, Philosophy at Wayne State University
Generates attr_accessors that encrypt and decrypt attributes
Role in this project:
Back-end Developer
Contributions:154 commits, 77 PRs, 80 pushes in 4 years
Contributions summary:Stephen primarily focused on improving the core functionality of the `attr_encrypted` library, which is designed to encrypt and decrypt attributes. Their contributions involved refactoring compatibility tests and addressing bootstrapping issues related to database connections. Furthermore, the user made several enhancements, including improving salt strength, updating how salts are generated, and fixing issues with the ActiveRecord adapter to correctly handle attribute changes within a database.
A tiny todo app in written in Rails featuring deliberate security vulnerabilities intended as a training tool
Contributions:6 pushes, 2 branches in 4 years 7 months
ruby-on-railstodo-apprailssecuritytiny
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Stephen Aghaulor - Staff Product Security Engineer at Twilio