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Anthropic cuts Claude token theft by 99% amid distillation attacks

By PulseAugur Editorial · [1 sources] ·

Anthropic has significantly reduced the theft of its Claude model's internal reasoning tokens, reporting a 90-99% cut in such activities. The company attributes these large-scale distillation attacks to Chinese firms Zhipu and Moonshot. In response, Anthropic has banned tens of thousands of accounts involved in these practices. AI

IMPACT This action by Anthropic highlights the ongoing challenges in protecting proprietary AI models from data extraction and misuse.

RANK_REASON Company announcement about security measures against model misuse.

Read on The Decoder →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Anthropic cuts Claude token theft by 99% amid distillation attacks

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36 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
Company announcement about security measures against model misuse.
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safety, product
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High
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Breaking (< 6h)
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COVERAGE [1]

  1. The Decoder TIER_1 English(EN) · Manuel Uth ·

    Anthropic says it cut Claude reasoning token theft by up to 99% in fight against industrial-scale distillation

    <p><img alt="" class="attachment-full size-full wp-post-image" height="768" src="https://the-decoder.com/wp-content/uploads/2026/10/anthropic_distillation_defense.png" style="height: auto; margin-bottom: 10px;" width="1376" /></p> <p> Anthropic says it has cut the extraction of C…

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