# Stephen Lyons

> Cybersecurity Engineer at Yamaha Motor Corporation: DevSecOps, cloud security, SIEM engineering, endpoint protection and incident response. Based in Southern California. B.S. Computer Science, California State University, Long Beach.

Current role: Cybersecurity Engineer, Yamaha Motor Corporation — Cypress, CA.
Top skills: TypeScript, Python, Git, CrowdStrike, HTML, React.js, Linux/UNIX, Splunk, SIEM, Incident Response, DevSecOps, AWS.

## Pages

- [Home](https://stephenlyons.dev/): Overview, featured projects and capabilities
- [About](https://stephenlyons.dev/about/): Background, work history, education and an interactive skill graph
- [Projects](https://stephenlyons.dev/projects/): Security, hardware and full-stack projects with write-ups and photos
- [Contact](https://stephenlyons.dev/contact/): How to get in touch

## Projects

- [Rosie the Wardriver](https://stephenlyons.dev/projects/#rosie): A mobile cybersecurity demonstration platform built by repurposing an abandoned commercial Android service robot.
- [Thumbo.app](https://stephenlyons.dev/projects/#thumbo): Developed MVP for a stadium and fan entertainment platform enabling real-time chatting, trivia, and polls from attendees. Implemented mobile and Jumbotron display experiences.
- [FooDood](https://stephenlyons.dev/projects/#foodood): Food-finding swiper mobile application that recommends personalized dishes from nearby restaurants using Google Business Profile and Yelp APIs.
- [GitHub Actions Security Pipelines](https://stephenlyons.dev/projects/#security-automation): GitHub Actions pipelines for secret scanning, code formatting, and broken link detection. CI/CD with security gates baked into every workflow.
- [Portfolio Website](https://stephenlyons.dev/projects/#portfolio): This very site — a terminal-themed cybersecurity portfolio built with Astro, TypeScript, Tailwind, and Motion. Features an interactive terminal overlay (Ctrl+K), Matrix rain backgrounds, CRT scanline effects, View Transitions, and a fully responsive design.
- [Down — Social Media App](https://stephenlyons.dev/projects/#down): Led security engineering for a React Native social media application. Coordinated development and testing across Android and iOS platforms, implemented Firebase security rules, and built comprehensive test suites with Jest and Detox.
- [CSULB ACM Website](https://stephenlyons.dev/projects/#acm): Served as Webmaster for the CSULB Association for Computing Machinery (ACM) chapter, maintaining and improving the club's website to serve the computer science community at Long Beach.

## Optional

- [Full text](https://stephenlyons.dev/llms-full.txt): every project, job and skill in one Markdown file
- [github.com](https://github.com/stephenlyons18)
- [linkedin.com](https://linkedin.com/in/stephen-lyons)