15 detectors, 3 benchmarks: best prompt-injection detector catches 2% of real agent injections
lulzxdxdxd · reddit · 2026-10-12
An arXiv paper (2610.03448) systematically evaluates 15 prompt-injection detectors across 3 benchmarks. The headline finding is bleak: the best detector catches only 2% of real-world agent injections, exposing a massive gap between current defenses and actual threats.
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