model-security

October 13, 2026

• Anthropic says new controls cut model-distillation data by 90% to 99%

  Anthropic reports a 90% to 99% reduction in harvested data after its October 12 defenses; API teams should expect more account checks and less access to reusable reasoning traces.

  90-99% reported reduction in harvested dataAug 31 cutoff for new API accounts3 defense methods described

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