Based in Grenoble, France
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I am a cybersecurity researcher at KOR Labs, where I work at the intersection of DNS operations, large-scale Internet measurements, and network security. I divide my time between academic research and outreach to the operational community, providing analysis and data on real-world deployments. I earned a Ph.D. in Computer Science from Université Grenoble Alpes in 2024.
• 7 min read
Hashed authenticated denial of existence appeared back in 2008 to prevent DNS zone walking. Since then, best practices have changed and were updated in RFC 9276. This article examines how the current landscape of authoritative name servers and resolvers complies with these recommendations.
• 13 min read
Despite being a known vulnerability for at least 25 years, source IP address spoofing remains a popular attack method for redirection, amplification and anonymity. Preventing these attacks requires that operators implement Source Address Validation (SAV) to ensure their networks filter packets with…
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