Sean Byrne
Sean is a security engineering leader with 15+ years of experience in information security, infrastructure security, identity systems, cryptography, abuse prevention and incident command. He built the security program at Patreon as its first security engineer, secured AI-driven intelligence systems in national security environments at Vannevar Labs, and led the Security team at Truework. Founded and built out the Security and Policy Operations team at Dropbox.
Writing
On security, systems & incentives.
Projects
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Open source panic button for macOS. Instantly disables Touch ID and locks your screen.
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End-to-end encryption engine. Identity binding, key exchange, lifecycle management, and an SDK that doesn't require developers to become cryptographers.
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Authentication and identity security tooling. Practical approaches to understanding and improving authentication reliability.
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River guide and community resource for whitewater in Ireland.