Recently, ZAST（ZAST.AI）, a leading cybersecurity agent company, announced the completion of a multi-million dollar Pre-A round of financing, led by Hillhouse Capital, with Jiuqian Capital serving as financial advisor. Founded in 2024, ZAST（ZAST.AI） focuses on AI-driven, fully automated code vulnerability discovery and remediation, precisely addressing the security pain points of the AI programming era.
With the widespread adoption of AI programming tools, the global daily increase in code volume has surged from 4 billion lines to 40 billion lines, with a corresponding increase in vulnerabilities reaching 400,000 per day. Traditional manual methods and pattern matching tools suffer from a false positive rate exceeding 90%, resulting in inefficiency and difficulty in handling these challenges. ZAST（ZAST.AI） pioneered a large-model dynamic programming “zero false positive” technology. Its agent deeply understands code semantics, creating a closed loop of candidate generation, script writing, and attack verification, only identifying vulnerabilities after a successful attack, breaking through the limitations of traditional tools.
Real-world testing shows that ZAST（ZAST.AI） can complete an audit task that would typically require 8,000 expert hours in just 10 hours, discovering 29 zero-day vulnerabilities and reducing vulnerability discovery costs by 98%. Leveraging its technological advantages, ZAST（ZAST.AI） has been deployed in global mobile出行 (mobility), leading SaaS, and telecom operator scenarios. In July 2025, it became the world’s largest contributor to VulDB, and in the second half of the year, it discovered 119 CVEs, uncovering multiple high-risk vulnerabilities in core global components.
The core team possesses security experience from major domestic and international companies, laying a solid foundation for technological iteration and commercialization. This round of financing will help ZAST（ZAST.AI） expand its technological barriers and continue to fill the security audit gaps in the AI Coding era.
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