September 17, 2025 News

AI Security Firm Irregular Secures $80M to Test and Secure Frontier AI Models Against Emergent Risks

AI security company Irregular raised $80 million led by Sequoia Capital to develop systems that identify emergent risks in frontier AI models before they are released. The company uses complex network simulations where AI agents act as both attackers and defenders to test model vulnerabilities and security weaknesses.

China Bans Domestic Tech Companies from Purchasing Nvidia AI Chips

China's Cyberspace Administration has banned domestic tech companies from buying Nvidia AI chips and ordered companies like ByteDance and Alibaba to stop testing Nvidia's RTX Pro 6000D servers. This follows previous US licensing requirements and represents a significant blow to China's tech ecosystem, as Nvidia dominates the global AI chip market with the most advanced processors available.