Xiaochuan Yu
Founder of Nebula Security, A security engineer in your team
Company
Xiaochuan Yu is listed as a founder of Nebula Security. Nebula Security is an AI-native cybersecurity company founded by world-class hackers. Nebula Security provides Mythos-level cybersecurity reviews and product security auditing, conducted by our state-of-the-art AI agent and world-class hackers themselves, covering everything from code-level vulnerabilities to architectural weak points. We were the first team to build an nginx RCE and the first to root Android 17. Our co-founders include members of the world’s No. 1 CTF team, DEF CON winners, Black Hat speakers, and PhD in cybersecurity. We have won $400K in bug bounties by exploiting the Linux kernel and Chrome browser. “Audited by Nebula Security” is a mark of serious security credibility: a signal to customers, investors, and partners that your product has been reviewed by the world’s best hackers.
Founder traction evidence
Public posts and activity attributed directly to this founder.
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I am so proud that I am now driving the ultimate pwning machine at Nebula Security. Btw our team will be at Y Combinator Dogpatch site to...
I am so proud that I am now driving the ultimate pwning machine at Nebula Security. Btw our team will be at Y Combinator Dogpatch site tomorrow, feel free to talk with us if you are interested in Vega (and probably more 0days?)
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Some people say that a goldfish's memory lasts only 7 seconds, so can a goldfish fully remember the process of our exploitation?
Some people say that a goldfish's memory lasts only 7 seconds, so can a goldfish fully remember the process of our exploitation?
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We spent a long time on this writeup. Hope you like it. One interesting thing is our human research team finishing the d8 shell exploit ...
We spent a long time on this writeup. Hope you like it. One interesting thing is our human research team finishing the d8 shell exploit in <10min after Vega found this vulnerability. https://nebusec.ai/research/v8-cve-2026-6307-writeup/?p
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Extremely brilliant, especially when security is full of AI shit.
Extremely brilliant, especially when security is full of AI shit.
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The Spear of Longinus, piercing 2 secure boundaries in Chrome with only one vulnerability, brought to you by Vega at Nebula Security. Ca...
The Spear of Longinus, piercing 2 secure boundaries in Chrome with only one vulnerability, brought to you by Vega at Nebula Security. Can’t wait to show you what our research team has done.
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In fact, we’ve gradually invited several security researchers to try an early preview of VEGA, want to find another IonStack yourself? ht...
In fact, we’ve gradually invited several security researchers to try an early preview of VEGA, want to find another IonStack yourself? http://nebusec.ai
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Nebula Security is bring extraordinary security protection to one of the most important foundations of software in the world.
Nebula Security is bring extraordinary security protection to one of the most important foundations of software in the world.
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When you use VEGA, this is the team behind it. Securing your products with the strongest hacking team in the world 24x7 when bad actors a...
When you use VEGA, this is the team behind it. Securing your products with the strongest hacking team in the world 24x7 when bad actors are all equipped with frontier intelligence.