October 13, 2026Analyst observation
Model Providers Build Distillation Defenses
First detected
Anthropic says new controls reduced data harvested through distillation attacks by roughly 90 to 99 percent. The emerging mechanism is detecting coordinated capability extraction across many apparently normal queries. The quantitative claim comes from the affected provider and today's Reddit and X items repeat the same announcement, so there is one substantive source. Watch for independent reproduction and comparable defenses from other providers.
DetectedScore 521 publication1 source