Anthropic Drops Prompt Injection to Zero with Stacked Defenses
clarkesdirective · reddit · 2026-08-08
Discusses how stacking multiple layers of defense (including model training, intent classifier checks, and input probes) can reduce the success rate of unseen prompt injection attacks to zero.
Additionally, Anthropic's Boris Cherny explicitly stated that the safety classifier will be provided for free, emphasizing that developers should not pay extra token costs for security.
Related event: Anthropic Reduces Prompt Injection Attacks to Near Zero(2 posts)→
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