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Kelby Ludwig

AppSec Engineer


As Senior AppSec Engineer at Duo, Kelby specializes in secure code review, web application testing, cryptography and low-friction methods of shipping secure software. Prior to Duo, Kelby worked as an AppSec Engineer at Praetorian finding vulnerabilities within software produced by Fortune 500 companies and venture-backed startups. Kelby holds a BS in Computer Science from the University of Texas at Austin.