Claude Opus 5 helps crack an Enigma message unsolved since 2005
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Claude Opus 5 helped crack an Enigma message that had resisted researchers for decades. The newsletter says the specific message had been unsolved since 2005. This time, the process relied on more guidance, using an officer’s known signature as a starting foothold.
Why it matters
Another Enigma break came from Claude Opus 5, which the newsletter says used more hand-holding—like an officer’s known signature as a foothold. The recovered message had resisted researchers for decades and was unsolved since 2005.
