Xiaochuan Yu
Founder of Nebula Security, Autonomous AI defense system for cyber attack
Company
Xiaochuan Yu is listed as a founder of Nebula Security. Nebula Security is founded by the world’s #1 hacking team. 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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Merry Christmas! Jailbreak for all arm64 iOS 16.0 to iOS 16.5 devices! https://t.co/Hg5sGK0Iwy
Merry Christmas! Jailbreak for all arm64 iOS 16.0 to iOS 16.5 devices! https://t.co/Hg5sGK0Iwy
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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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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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an interesting story i would like to share: I found 7 0days with gpt daybreak blue team version on flight to USENIX a few days ago.
an interesting story i would like to share: I found 7 0days with gpt daybreak blue team version on flight to USENIX a few days ago. Leveraging its capabilities to do offensive security is quite easy.
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Watch us cook @writegsqword
Watch us cook @writegsqword
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Sometimes, all you need to do is dropping a screenshot and let it speak for itself.
Sometimes, all you need to do is dropping a screenshot and let it speak for itself.
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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?