atlacle.comCrawled Oct 10, 2026
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A security platform that visualizes the runtime behavior of AI agents and applications, helping identify risks and defend against threats.
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Rein Security raises $25 million in Series A funding to help enterprises secure AI agents, bringing its total funding to $35 million. Its runtime platform monitors agent prompts, API calls and database access, then uses behavioral baselines and action-level controls to block harmful actions while allowing other work to continue. Customers include Flex, Swimlane, Lemonade and Dun & Bradstreet; the company plans to use the funding for global hiring and product research.
Oct 2026 · SiliconANGLENews article
Rein Security raises $25 million to protect AI agents at runtime. The cybersecurity startup plans to invest in product innovation, agentic research, and expanding its employee base.
Oct 2026 · SecurityWeekNews article
Rein Security completes a $25 million Series A to secure enterprise AI agents. Glilot Capital and Sienna Venture Capital co-lead the round, bringing the company's total funding to $35 million.
Oct 2026 · kucoin.comNews article
Rein Security, an AI-native runtime security platform focused on enterprise AI agents, raises $25 million in Series A funding. Glilot Capital and Sienna Venture Capital co-lead the round, with participation from Corner Ventures, Atlacle, and RNP Capital Advisors, bringing the company’s total funding to $35 million.
Oct 2026 · Pulse 2.0News article