Anthropic says ban wave removed hundreds of thousands of fake accounts
Anthropic says foreign labs used hundreds of thousands of fake accounts to harvest Claude outputs for training their own models, and its new defense system has banned tens of thousands of accounts and cut data theft by 90%.
ANTHROPIC JUST EXPOSED FOREIGN AI LABS STEALING CLAUDE AT INDUSTRIAL SCALE. hundreds of thousands of fake accounts, stolen payment details, false identities, resold access in blocked regions, and one network running 20,000+ accounts at once all to harvest Claude's reasoning and train their own models on it so Anthropic released a new defense system, and the results are wild: → 90–99% less data harvested → tens of thousands of accounts banned, often within 2 hours → "trillions of tokens' worth of paying traffic" turned away the daily average dropped from 8,800× to 135×, and on some days the leak was too small to even measure
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