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Prompt Injection Detection on Shopping Direct Prompt Injection

0FPRPrompt-Guard2
-1.247.1315.523.87Feb 14, 2026

Evaluation results

MethodLinks
Prompt-Guard22026.020100
AttnTracker2026.02088
AlignSentinelAggregation Strategy=Enc-first2026.0200
AlignSentinelAggregation Strategy=Avg-first2026.0210
Chen et al.2026.02257
Abdelnabi et al.2026.02279
DataSentinel2026.023172