Inside the AI Red Teaming CTF: What 200+ Players Taught Us About Breaking and Defending LLMs
hackerone.com | blog | #ai-security | #red-teaming | #ctf | #prompt-injection | #jailbreak | #llm-security | #hackerone | #ai-red-teaming | #hack-the-box | #owasp-llm-top-10
Summary
In a 10-day AI red teaming CTF with 217 active players, output manipulation succeeded ~82.5% and data extraction ~74.6%; layered defenses cut completion to ~34% on the hardest multi-step challenge.
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--- id: 1171 title: "Inside the AI Red Teaming CTF: What 200+ Players Taught Us About Breaking and Defending LLMs" source_domain: hackerone.com source_url: "https://www.hackerone.com/blog/ai-red-teaming-ctf-lessons-llm-security" published_at: "2025-10-23 14:36" tags: ["ai-security", "red-teaming", "ctf", "prompt-injection", "jailbreak", "llm-security", "hackerone", "ai-red-teaming", "hack-the-box", "owasp-llm-top-10"] phying_url: "https://phying.com/item/1171" lang: en --- # Inside the AI Red Teaming CTF: What 200+ Players Taught Us About Breaking and Defending LLMs ## Summary In a 10-day AI red teaming CTF with 217 active players, output manipulation succeeded ~82.5% and data extraction ~74.6%; layered defenses cut completion to ~34% on the hardest multi-step challenge. ## Intelligence Metadata - **Sources:** hackerone.com - **Published:** 2025-10-23 14:36 - **Original:** https://www.hackerone.com/blog/ai-red-teaming-ctf-lessons-llm-security - **Phying News:** https://phying.com/item/1171