Researchers Discover Security Flaw in Apple Silicon Chips
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Researchers found an unpatchable security flaw in Apple Silicon chips that allows encryption to be broken. It affects M1, M2, and M3 chips.
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The flaw is in the Data Memory-dependent Prefetchers (DMP) feature which predicts data that will be needed and caches it.
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Researchers created an app called GoFetch that can exploit the flaw over time to decrypt encryption keys.
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Workarounds are possible but would significantly hurt performance. Apple has not implemented any yet.
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Real-world risk is low as it requires installing a malicious app and long attack times. Apple will address in future chip designs.