Legacy
Since 2007
19 years of continuous editorial operation. Listings audited and re-audited as the directory ages — no stale 2008 records masquerading as live.
Top Listed Entities in AI Red Teaming & Stress-Testing
Ranking weights editorial tier and entity health score across the full listed set. No listings here carry the verification badge yet — they appear in order of editorial signal. Last updated .
Top 5%Editor’s Pick
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Lakera
Zurich, Switzerland
AI SecurityPrompt Injection PreventionJSON-LD: ProfessionalService
Lakera is an AI-native security platform based in Zurich, Switzerland, trusted by Fortune 500 companies to accelerate generative AI initiatives. The platform prevents prompt injections, data leakage, and jailbreaks in real time with context-aware detection that adapts to evolving threats. Lakera also created Gandalf, the most popular cybersecurity game for AI security education.
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- VerifiedP
Protect AI
JSON-LD
Seattle, United StatesHealth 57/100Protect AI operates Recon, a scalable red teaming platform for AI applications that systematically tests across multiple threat vectors using an attack library of over 450 known AI exploits. Based in Seattle, the company also runs huntr, the first bug bounty platform for AI and ML, backed by a community of over 17,000 security researchers.
- VerifiedH
HackerOne AI Red Teaming