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Security · 1h ago

Prompt Injection Attack Succeeds 53% of Time Against LLM

By Meridian48 News Desk · Summarised from DEV Community ·

A developer with no prior coding experience built AgentProbe, a tool that tested 49 prompt injection attacks against an AI model. The attacks succeeded 53% of the time, including the classic DAN jailbreak. The tool uses keyword checks and an LLM-as-judge to detect compliance.

Meridian48 take
This DIY audit underscores how trivial it remains to bypass AI guardrails, even with well-known attacks—suggesting the industry's defenses are still far from production-ready.
Read the full reporting
I Fired 49 Attack Prompts at an AI. 25 of Them Worked. →
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