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Nvidia denies backdoors after China questions H20 chip security

by Carien B.
August 4, 2025
in Cybersecurity
Nvidia; China; H20; chip; security

Credits: REUTERS/Mike Blake/File Photo

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The American technology company the Nvidia Corporation is headquartered in Santa Clara, California. It was founded in 1993 by Chris Malachowsky, Jensen Huang as well as Curtis Priem. The main focus is of the company is the development of GPUs (Graphics processing units), SoCs (system on a chip) as well as API (application programming interfaces for data science, automotive and mobile applications as well as high-performance computing.

Querying potential security issues

Nvidia NVDA.O said on Thursday its products have no “backdoors” that would allow remote access or control after China raised concerns over potential security risks in the firm’s H20 artificial intelligence chip. The H20 is somewhat less powerful than the H100. It has reduced computational density as well as interconnect speeds. It is more suitable for AI inference tasks.

The Cyberspace Administration of China, the country’s internet regulator, said it was concerned by a U.S. proposal for advanced chips sold abroad to be equipped with tracking and positioning functions. The CAC’s move cast uncertainty over the U.S. company’s sales prospects in China weeks after a U.S. export ban was reversed.

The regulator said it had summoned Nvidia to a meeting on Thursday to explain whether its H20 AI chip had any backdoor security risks, as it was worried that Chinese user data and privacy rights could be affected. A backdoor risk refers to a hidden method of bypassing normal authentication or security controls. In a statement, an Nvidia spokesperson said,

“Cybersecurity is critically important to us. Nvidia does not have ‘backdoors’ in our chips that would give anyone a remote way to access or control them.”

The effects of relations on China and the US

The White House and both houses of U.S. Congress have proposed the idea of requiring U.S. chip firms to include location verification technology with their chips to prevent them from being diverted to countries where U.S. export laws ban sales. The separate bills and White House recommendation have not become a formal rule, and no technical requirements have been established.

Nvidia has been a focus of U.S.-China relations, and China’s move comes shortly after the U.S. this monthย reversed an April banย on Nvidia selling the H20 chip to China. The company developed the H20 chip for the Chinese market after the U.S. imposed export restrictions on advanced AI chips in late 2023.

“Nvidia chips are now dispensable for China. They can be easily put on the negotiating table,”

said Tilly Zhang, an analyst with Gavekal Dragonomics. Gavekal Dragonomics provides some in-depth coverage on things such as social issues, the economy as well as the politics of China. It was founded in 2002 and has been a part of the Gavekal group since 2007.

Figuring out Nvidia’s H20 chip

Nvidia’s products are highly sought after not just by Chinese tech companies but also by Chinese military bodies, state-run AI research institutes, and universities. The company last week placed an order with contract manufacturer TSMC for 300,000 H20 chipsets due to strong demand, Reuters reported. Chinese authorities and industry associations have in the past accused U.S. tech companies of posing security risks, with varying consequences.

In early 2023, China barred key operators of the country’s infrastructure from purchasing from Micronย MU.O, saying that a review it conducted had found the U.S. memory chipmaker’s products posed serious security risks. Nvidia is also facing an antitrust investigation in China. The State Administration for Market Regulation announced late last year it was investigating the chipmaker over suspected violations of the country’s anti-monopoly law.

The US and China seem to be constantly competing for dominance in the AI field. Chips such as the H20 drives the importance of maintaining a balance between geopolitical strategy as well as technological advancement. The export market here is always evolving and will shape the future of developments in the AI field. This will also impact onto the worldwide power dynamics.

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ยฉ 2025 by Global Current News

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ยฉ 2025 by Global Current News