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Encryption-breaking, password-leaking bug in many AMD CPUs could take months to fix

Enlarge (credit: AMD) A recently disclosed bug in many of AMD’s newer consumer, workstation, and server processors can cause the chips to leak data at a rate of up to 30 kilobytes per core per second, writes Tavis Ormandy, a member of Google’s Project Zero security team. Executed properly, the so-called “Zenbleed” vulnerability (CVE-2023-20593) could...

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Researchers find deliberate backdoor in police radio encryption algorithm

Enlarge (credit: Evgen_Prozhyrko via Getty) For more than 25 years, a technology used for critical data and voice radio communications around the world has been shrouded in secrecy to prevent anyone from closely scrutinizing its security properties for vulnerabilities. But now it’s finally getting a public airing thanks to a small group of researchers in...

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ChatGPT’s new personalization feature could save users a lot of time

Enlarge / An AI-generated image of a chatbot in front of library shelves. (credit: Benj Edwards / Stable Diffusion) On Thursday, OpenAI announced a new beta feature for ChatGPT that allows users to provide custom instructions that the chatbot will consider with every submission. The goal is to prevent users from having to repeat common...