AI Defense Stack

AI Defense Stack is an independent directory of tools that protect AI systems. It covers guardrails, red teaming, model supply chain, AI security posture management, agent security, data-leak prevention, governance and courses. Each listing uses the same fields, and every fact links to the page that states it, with the date it was checked. The Coverage Score (0 to 100) comes from a published formula and measures how much a vendor documents in public, not how well a tool works. The site does not run or benchmark the tools. Sponsorship and ads do not change scores or placement. AI and automation help research and draft pages, which are checked against their sources before publishing.