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The latest from Alterion
Hydra: Multi-Head Prompt Security Classification and the Over-Defense Failure Mode of Prompt Injection Benchmarks
Widely used prompt-injection detectors look strong on standard benchmarks by flagging most of their input, which makes them unusable in production. This paper shows why, and introduces Hydra: one shared encoder with four separately calibrated heads for SQL injection, PII, prompt injection and toxicity. At a 1% false-positive budget, Hydra still catches 57.8% of attacks.
Who authorized that? Banks can’t tell which AI agents in customer accounts were approved
Introducing Helix
Helix is Alterion’s intelligence layer, a network of specialized small language models that reason together through a graph neural architecture and draw on persistent enterprise memory. It allows our platform to understand behavior in context rather than treating every prompt, tool call, model interaction, or agent action as an independent event.
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