Nvidia has firmly disputed accusations from Chinese regulators that its AI data center GPUs contain a so-called “kill switch” capable of remotely disabling the chips. In a blog post, Nvidia’s Chief Security Officer David Reber stated unequivocally that the company’s GPUs “do not and should not have kill switches and backdoors.” The remarks follow a demand by China’s Cyberspace Administration for Nvidia to provide documentation on alleged vulnerabilities in the H20 chip, which is designed for the Chinese market. The exchange highlights the rising geopolitical tensions surrounding advanced semiconductor exports, with U.S. lawmakers contemplating mandatory security mechanisms—including location tracking—on AI chips shipped abroad. U.S. export controls have already limited sales of certain Nvidia products to China, impacting the company’s financial guidance by an estimated $8 billion. Nvidia argues that built-in backdoors or kill switches would undermine cybersecurity and national security, echoing a stance long held in Silicon Valley. The company declined further comment beyond the blog post.
Nvidia Denies Presence of ‘Kill Switch’ in AI Chips Following Chinese Allegations
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