12 Best Open Source AI Security Tools for Startups in 2026 (Ranked & Tested)

Futuristic AI-powered cybersecurity operations center showing open source security tools protecting startup infrastructure with real-time threat detection dashboards.

Open source AI security tools for startups have become essential for protecting LLM-powered products, AI agents, RAG systems, and cloud-native applications without requiring enterprise security budgets. If your startup is shipping an AI-powered product and you haven’t thought seriously about security, you’re already behind. Open source AI security tools for startups have matured rapidly — … Read more