Surtr Defense Systems (YC Spring 2026)

TL;DR: Surtr Defense Systems is a Y Combinator Spring 2026 startup The hardware-agnostic operating system for drone defense, currently active with a team of 2.

The hardware-agnostic operating system for drone defense

YC ID
31325
YC Batch
Spring 2026
Status
Active
Team size
2
Industry
Industrials, Defense
YC profile
https://www.ycombinator.com/companies/surtr-defense-systems

Last verified:

Surtr builds ParallaxOS, the open operating system for counter-UAS. It takes sensor data from any radar, RF detector, camera, or acoustic array and fuses it into a single unified picture with AI-driven threat classification and engagement recommendations. One interface, any hardware, human in the loop.

Frequently asked questions

Is Surtr Defense Systems a YC (Y Combinator) company?

Yes. Surtr Defense Systems was funded by Y Combinator in the Spring 2026 batch. The hardware-agnostic operating system for drone defense

What does Surtr Defense Systems do?

Surtr builds ParallaxOS, the open operating system for counter-UAS. It takes sensor data from any radar, RF detector, camera, or acoustic array and fuses it into a single unified picture with AI-driven threat classification and engagement recommendations. One interface, any hardware, human in the loop.

What YC batch was Surtr Defense Systems in?

Surtr Defense Systems was part of Y Combinator's Spring 2026 batch.

How big is Surtr Defense Systems?

Surtr Defense Systems has a team of 2 people according to Y Combinator's directory.

Is Surtr Defense Systems still active?

Surtr Defense Systems is currently listed as Active with a team of 2 in Y Combinator's directory.

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