# HiddenLayer raises $100 million Series B for AI security tools

_Published Wednesday, September 2, 2026 at 2:06 PM EDT · Capital, AI · Latest · Tier 2 — Notable_

Austin-based HiddenLayer raised a $100 million Series B led by Delta-v Capital. The company makes security tools intended to protect AI models, agents and workflows. The supplied report identifies the financing and lead investor but does not state how HiddenLayer will use the capital, its valuation, or terms beyond the round size.

## Sources

- [Techmeme](https://www.techmeme.com/260902/p26#a260902p26)

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Canonical: https://techandbusiness.org/newswire/bmFNt0kSvuzR2wwGCNIwNp
Published: 2026-09-02T18:06:53.973Z
Story chronology: 2026-09-02T15:20:01.000Z
Retrieved: 2026-10-18T11:01:28.579Z
Publisher: Tech & Business (techandbusiness.org)