Jason Polakis is a Postdoctoral Research Scientist in the Department ofComputer Science at Columbia University. He is broadly interested inidentifying the security and privacy limitations of Internet technologies,designing robust defenses and privacy-preserving techniques, and enhancing ourunderstanding of the online ecosystem and its threats. His research hasrevealed significant flaws in popular services, and major vendors havedeployed his proposed defenses. His work has been published in top tiersecurity conferences (Security and Privacy, CCS, and NDSS) as well as othertop tier computer science conferences (WWW).