The Attacker Moves Second: Stronger Adaptive Attacks Bypass Defenses Against LlmJailbreaks and Prompt Injections
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When AI Defenses Meet Clever Hackers: Why “Second‑Move” Attacks Matter

Ever wonder why some AI safety tools seem unbreakable—until they’re not? Researchers discovered that many current safeguards against AI “jailbreaks” and sneaky prompts are tested with only simple, predictable tricks. In real life, however, attackers can learn the defense’s playbook and then craft smarter moves, much like a chess player who watches your opening and then counters with a perfect second move. By letting the attacker “think ahead” and fine‑tune their approach, the team managed to slip past twelve supposedly strong defenses, succeeding over 90 % of the time. This shows that a defense that looks solid on paper can crumble when faced with a determined, adaptive opponent. It matters because we r…

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