Bastion Soft is a self-hosted AI security layer that shields enterprise LLM applications from prompt injection — the #1 risk in the OWASP Top 10 for LLMs. A purpose-trained model validates every input before it reaches your stack, achieving an industry-leading 0.991 AUC across four public benchmarks at a 1.24% false-positive rate, with 5–10 ms CPU inference. Deploy it air-gapped inside your own infrastructure: no prompts leave your environment, no telemetry, no per-request fees. EU-based and