Z.ai hires Chinese security researcher Chen, known as Guhe, to boost AI cybersecurity
Z.ai announced that Chen, a Chinese security expert known online as Guhe, has joined its Beijing team to strengthen the company’s cybersecurity work. The move was shared on social media last week, with Chen saying he is “thrilled and grateful” to help build a safer cyberspace using frontier AI. Z.ai said Chen and his team recently uncovered 23 security vulnerabilities in Microsoft software using…
Key points
- Chen and his team identified 23 Microsoft software vulnerabilities using Z.ai’s GLM models, Microsoft confirmed the findings.
- Z.ai’s GLM‑5.3 model, released August, is said to markedly improve vulnerability discovery over its predecessor.
- Z.ai’s market valuation reached about US$32 billion in October after a $5 billion share and convertible bond sale in September.
Chen previously worked at Trend Micro, served as CTO of Cyber Kunlun, and earned multiple top spots in Microsoft’s Most Valuable Security Researchers ranking between 2019 and 2024. A 2024 ETH Zurich study described him as one of China’s prominent “superstar hackers,” and he has won two Pwnie Awards. Z.ai, founded in 2019 by researchers linked to Tsinghua University, introduced its GLM‑5.3 model in August, which it claims markedly improves vulnerability discovery. Anthropic’s assessment later confirmed the model’s advanced capabilities. The company went public earlier this year, reaching a market valuation of about US$32 billion in October after raising $5 billion through share and convertible‑bond sales in September.
Model page: GLM 5.3 →
Chinese 'superstar hacker' who 5 times named Microsoft's top security researcher joins AI giant Z.ai
e.vnexpress.net · 22 October 2026
Loading the full article…
This text was published by e.vnexpress.net and written by VnExpress. It is reproduced here with attribution so you can read it in full; the rights remain with the publisher. Read it at the source ↗
The headline, key points and digest above were generated by Digest AI's editorial model from the linked sources. Automated summaries can contain errors: the sources are the record. Spotted a mistake? Tell us. Published by Martin K., who runs Digest AI and handles corrections.
More in Business & Funding
All →- OpenAI brings GPT-6 Astra, Codex to Google Cloud Model Garden · 10 src
- OpenAI nears $30B funding round at $1.25T valuation led by UAE investors and Coatue · 5 src
- Microsoft shares fall 1.66% as AI spending reaches $115.95 billion · 7 src
- Google's TPU sales could reach $75 billion in 2027, analyst predicts · 5 src
- Meta's Muse AI agent reaches 10.9 million downloads amid declining ChatGPT usage · 15 src
Comments
via GitHub Discussions