AI Defense
Sourced research and analysis.

Defensive AI engineering — guardrails, hardening, response.

Engineering-focused coverage of defensive AI. Guardrail architecture, classifier ensembles, model hardening, output filtering, refusal training, and the response patterns that hold under adversarial pressure in production systems.

Layered output filtering architecture diagram for production LLMs
Defense

Output Filtering Architecture for Production LLMs: Semantic Classifiers, Regex Guards, and LLM-as-Judge

A deep-dive into layered output filtering for production LLMs — combining semantic classifiers, regex scrubbing, and LLM-as-judge techniques to catch harmful, policy-violating, and hallucinated content before it reaches users or downstream systems.

May 9, 2026

Archive

Subscribe

AI Defense — in your inbox

Defensive AI engineering — guardrails, hardening, response. — delivered when there's something worth your inbox.

No spam. Unsubscribe anytime.