Nvidia Rejects AI Chip Backdoors, Citing Cybersecurity Principles

Theverge

Nvidia’s chief security officer, David Reber Jr., recently published a blog post unequivocally stating that the company’s powerful AI processors “do not and should not have kill switches and backdoors.” This definitive declaration comes amidst significant geopolitical pressure, as US lawmakers advocate for the inclusion of such features in advanced chips, while Chinese officials have simultaneously raised concerns that these very vulnerabilities might already be present.

Reber Jr.’s post appears to be a direct response to legislative efforts within the United States. In May, a bipartisan group in Congress introduced the Chip Security Act, a proposed bill designed to mandate that chip manufacturers like Nvidia embed tracking technology to detect illegal international transport of their products. Crucially, the legislation also leaves open the possibility for additional security measures, including remote kill switches that could disable chips without user awareness or consent. This push from Washington coincides with Nvidia’s ongoing efforts to secure permits to resume selling certain AI chips in China, even as its most advanced hardware remains subject to stringent US export controls globally.

Addressing the rationale behind these proposed measures, Reber Jr. acknowledged that “some pundits and policymakers propose requiring hardware ‘kill switches’ or built-in controls that can remotely disable GPUs without user knowledge and consent” to mitigate misuse risks. He then subtly referenced the concerns emanating from Beijing, noting, “Some suspect they might already exist.” This statement alludes to a probe initiated by Chinese authorities into alleged “loopholes and backdoor” vulnerabilities within the H20 chips that Nvidia has already sold in the country.

Nvidia’s CISO forcefully rejected the concept of hidden access points, asserting that “There is no such thing as a ‘good’ secret backdoor, only dangerous vulnerabilities that need to be eliminated.” He further characterized kill switches as “an open invitation for disaster,” before directly addressing US policymakers. Reber Jr. argued that such requirements do not constitute sound policy and would, in fact, “irreparably harm America’s economic and national security interests.”

The company’s emphatic refusal underscores a delicate balance. Both Nvidia and the US government ideally seek to establish the company as the primary supplier of AI chips to China. However, the prospect of direct US governmental access to these critical hardware components could severely jeopardize this ambition. As Chinese chip manufacturers steadily enhance their performance and production capabilities, driven by a national imperative to develop homegrown alternatives, the market landscape is rapidly evolving. This raises the distinct possibility that Nvidia could find its dominant position usurped by domestic competitors like Huawei, a company intimately familiar with the repercussions of market share erosion stemming from allegations of government access to its technology. Nvidia’s stance, therefore, reflects a strategic calculation aimed at preserving its market leadership while navigating complex geopolitical demands.