Detecting new prompt injection patterns after launch: Semantic search, behavior analysis, and regression
CommercialTerm9943 · reddit · 2026-08-19
The author discusses methods for detecting new prompt injection patterns post-launch. Techniques include using trace-level safety scores for anomalies in retrievals and tool calls, semantic search for known variations, and topic clustering for new probes. The post highlights the need to include behaviors (e.g., secret exposure, tool scope widening) in attack taxonomies and promoting suspicious traces to regression datasets.
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