# Rein Security raises $25M Series A for AI agent security

_Published Sunday, October 11, 2026 at 5:05 AM EDT · Security, Capital, AI · Latest · Tier 2 — Notable_

Rein Security raised a $25M Series A, bringing its total funding to $35M, CTech reported. The Israeli startup develops tools that protect enterprise AI agents while they operate and stop adversarial AI agents.

The company says its revenue has grown eightfold since January and its platform now secures thousands of agents executing millions of actions.

## Sources

- [Techmeme](https://www.techmeme.com/261011/p4#a261011p4)

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Canonical: https://techandbusiness.org/newswire/Vl6sIeWIlzwcDvxfXp-NXg
Published: 2026-10-11T09:05:40.644Z
Story chronology: 2026-10-11T05:50:01.000Z
Retrieved: 2026-10-11T11:28:49.275Z
Publisher: Tech & Business (techandbusiness.org)