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Architecture Dossier October 2026• 6 min read

Why AI Red Teaming Demands an Air-Gapped Local Judge

How relying on external commercial APIs for security evaluation leaks proprietary attack traces, introduces unpredictable latency, and violates zero-trust principles—and how SecureMID solves this.

KEY FINDINGS & SUMMARY
Why transmitting exploit traces to public clouds creates severe IP and compliance exposure
Fine-tuning Qwen2.5-3B-Instruct for high-precision security assertion classification
Achieving 4.20 ms P95 latency with $0 per-evaluation API cost
Turnkey air-gapped deployment in on-premise and VPC environments

1. The Public Egress Dilemma in AI Security

Many security scanners evaluate prompt vulnerabilities by forwarding raw interaction traces to commercial cloud models like OpenAI GPT-4 or Anthropic Claude. When testing financial agents, healthcare bots, or internal database tools, this practice inadvertently transmits sensitive corporate schemas, API keys, and attack traces to third-party infrastructure.

2. The SecureMID Local Judge Architecture

SecureMID incorporates a specialized, fine-tuned judge model adapter (Qwen2.5-3B-Instruct SecureMID Judge LoRA). Designed to run in-process or via local inference engines (Ollama, vLLM, HuggingFace PEFT), the model evaluates whether an agent output constitutes a vulnerability in just 4.20 ms, while enforcing a strict SECUREMID_ALLOW_CLOUD_FALLBACK=false policy.

Local Execution Latency: 4.20 ms (P95) Cloud API Egress: 0 bytes (Air-Gapped) Per-Evaluation Cloud Token Cost: $0.00 Supported Runtimes: HuggingFace PEFT, vLLM, Ollama, in-process

3. Enterprise Compliance & Zero Egress

By running entirely within the customer's isolated security perimeter, organizations in regulated sectors (finance, healthcare, defense) can conduct continuous automated red teaming without violating data residency or compliance mandates.

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Free Community Tier Available•Zero Cloud Token Egress•Turnkey Docker & CLI Gating