Marwan is a technical lead and manager at Cloudflare Research, and Visiting Professor at the University of St Andrews, UK.
Before joining Cloudflare, Marwan was a member of faculty at the University of St Andrews, where he was also the Director of Post-graduate Studies, and recipient of multiple teaching and supervisorial honours. In 2011, Marwan co-founded HUBS c.i.c., a community cooperative backhaul ISP honoured at national and European levels for technical innovation and advocacy, and that continues to operate today. He previously held the appointment of ‘Theme Leader’ (2014-2016) for networking research at SICSA, a computer science alliance among Scottish universities. His current research interests lie in secure, private, and reliable network protocols, and measurement in next generation edge networks.
He is an author on numerous peer-review publications, the recipient of an IEEE best paper award, and a Senior Member of both the IEEE and the ACM.
Research Areas
Internet Measurement, Network Security, Network Architecture and Systems
Projects
Publications
2024Topaz: Declarative and Verifiable Authoritative DNS at CDN-Scale
2023Evaluating practical QUIC website fingerprinting defenses for the masses
2023Global, Passive Detection of Connection Tampering
2022This is not the padding you are looking for! On the ineffectiveness of QUIC PADDING against website fingerprinting
2022Respect the ORIGIN! A Best-case Evaluation of Connection Coalescing
2022Let The Right One In: Attestation as a Usable CAPTCHA Alternative
2021The Ties that un-Bind: Decoupling IP from web services and sockets for robust addressing agility at CDN-scale
2021Quality of Experience in ICN: Keep Your Low-Bitrate Close and High-Bitrate Closer
2021Oblivious DNS over HTTPS (ODoH): A Practical Privacy Enhancement to DNS
Blog posts
- How we prevent conflicts in authoritative DNS configuration using formal verification
- A global assessment of third-party connection tampering
- The unintended consequences of blocking IP addresses
- “Look, Ma, no probes!” — Characterizing CDNs’ latencies with passive measurement
- Unbuckling the narrow waist of IP: Addressing Agility for Names and Web Services
- Announcing Project Pangea: Helping Underserved Communities Expand Access to the Internet For Free