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Nvidia introduces the H200, an AI-crunching monster GPU that may speed up ChatGPT

Enlarge / The Nvidia H200 GPU covered with a fanciful blue explosion that figuratively represents raw compute power bursting forth in a glowing flurry. (credit: Nvidia | Benj Edwards) On Monday, Nvidia announced the HGX H200 Tensor Core GPU, which utilizes the Hopper architecture to accelerate AI applications. It’s a follow-up of the H100 GPU,...

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In a first, cryptographic keys protecting SSH connections stolen in new attack

Enlarge (credit: Getty Images) For the first time, researchers have demonstrated that a large portion of cryptographic keys used to protect data in computer-to-server SSH traffic are vulnerable to complete compromise when naturally occurring computational errors occur while the connection is being established. Underscoring the importance of their discovery, the researchers used their findings to...