Artemis Security vs Riot
Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $70M in combined Seed and Series A in 2026 within 6 months of launch; Series A led by Felicis. Positions as "AI vs AI" autonomous defense platform.
About
Artemis builds an autonomous AI defense platform designed to counter adversaries that are themselves operating AI agents for offense. The thesis is that as attackers adopt AI for reconnaissance, exploit generation, and lateral movement, defenders need AI systems that operate at matching speed and scale — an "AI vs AI" posture.
Paris cybersecurity employee risk monitoring at $10M+ ARR 2024 (triple-digit growth) serving Mistral AI, Deel, Intercom, Y Combinator; $45M total ($30M Left Lane Series B Feb 2025 at $170M val) with AI coach Albert competing with KnowBe4 for human risk management.
About
Riot is a Paris, France-based employee cybersecurity awareness and monitoring platform — backed with $45 million in total funding including a $30 million Series B in February 2025 led by Left Lane Capital at a $170 million+ post-money valuation with Y Combinator, Base10, and FundersClub — providing 1,500+ organizations including Mistral AI, Y Combinator, Modern Treasury, Deel, Intercom, L'Occitane, and Le Monde with real-time employee cybersecurity vulnerability detection and AI-powered awareness coaching through Albert, Riot's AI cyber coach. Surpassing $10 million in annual revenue in 2024 with triple-digit year-over-year growth, Riot detects employee-level security risks (weak passwords, unsafe file permissions, phishing susceptibility) and guides employees through interactive remediation coaching without requiring IT security team manual intervention.
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