Rein Security, which develops runtime tools to secure enterprise AI agents and stop adversarial AI agents, raised a $25M Series A, taking total funding to $35M
THE SO WHAT
Runtime security for enterprise AI agents attracting $25M in Series A capital is a clear tell — as soon as agents touch money or data, they become an attack surface. If you’re piloting agents internally, treat them like microservices: instrument, monitor, and budget for a dedicated security layer.
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