YC Spring 2026 Security Startups

3 Y Combinator Security companies from the Spring 2026 batch — with team size, status, and one-liner for every startup.

Total
3
Active
3
Acquired
0
Shut down
0

Y Combinator's Spring 2026 batch included 3 Security startups. Of these, 3 remain active, 0 have been acquired, and 0 have shut down.

  • RASPIRE (3 people) — Autonomous Runtime Security
  • Tolmo (12 people) — Tolmo is the AI security platform that secures every layer of cloud…
  • Clawvisor (1 people) — The Authorization Layer for AI Agents

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