Daniel Fernandez is a Senior Application Security Engineer at Visa, where he focuses on application security, AI security, and secure software engineering at enterprise scale. His work includes integrating AI into the secure development lifecycle, building developer security tooling, and helping teams securely adopt AI-powered development workflows.
He has contributed to open-source security initiatives, including the Visa Vulnerability Agentic Harness (VVAH), and works on applying AI to vulnerability discovery, secure code review, and developer enablement. His interests include agentic security, AI-assisted application security, software supply chain security, and building practical security solutions that developers actually use.
Daniel is passionate about bridging the gap between security and engineering, with a focus on making secure software development scalable, measurable, and developer-friendly.
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