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Rein Security

CybersecurityAI SecurityEnterprise SaaS📍 Tel Aviv, Israel

Rein Security raises $25 million in Series A funding to address the growing security risks associated with AI agents. The company's platform uses patented "sidecar" technology to provide visibility, governance, and real-time guardrails for AI agent activity, securing both internally developed and externally sourced agents. This funding comes as organizations rapidly deploy AI agents, creating new security challenges that traditional methods cannot address.

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Total raised
Undisclosed
tracked to date
Latest round
Series A
Oct 8, 2026
Known investors
5
led by Glilot Capital
Press coverage
2
outlets tracked

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Funding history

  1. 1
    $25 million Series ASeries AOct 8, 2026

    Led by Glilot Capital

    Announcement ↗

Founder

M
Matan Bar-Efrat

Investors in Rein Security

Backers from this company's tracked funding rounds.

  • GGlilot CapitalLead investorVC firm
  • SSienna Venture CapitalVC firm
  • CCorner VenturesVC firm
  • AAtlacleVC firm
  • RRNP Capital AdvisorsVC firm

Rein Security in the news

Coverage of this company's funding, tracked by Datapile.

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