vulnerability-research
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Xiaochen Zou
Xiaochen Zou, who publishes as Eten (ETenal) and signs his work with the Chinese name 笑尘, is a Linux kernel security researcher turned founder. He earned a PhD in cybersecurity at UC Riverside under Zhiyun Qian, building automated tools that discovered dozens of kernel vulnerabilities, then worked as a security researcher at Microsoft before co-founding Nebula Security (YC S26), an AI-native cybersecurity company where he serves as CEO. Nebula pairs elite human hackers with an autonomous agent, VEGA, that finds bugs, writes proofs of concept, and proposes patches.
Ivan Novikov
Ivan Novikov is the founder and CEO of Wallarm, an AI-powered API security platform that has raised over $70 million in funding including a $55M Series C in 2025. With 24+ years in cybersecurity, he is recognized as the inventor of memcached injection attacks and a pioneer of SSRF research, having earned bug bounty awards from Google, Facebook, Twitter, Tesla, and Yandex. A Y Combinator S16 alumnus with a physics background from Moscow State University, Novikov transformed hands-on offensive security expertise into a company protecting APIs for enterprises worldwide.