HiddenLayer raises $100 million Series B for AI security tools

Wednesday, September 2, 2026 · 3:20 PM UTC

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

Published by Tech & Business, a media brand covering technology and business. This story was sourced from Techmeme and reviewed by the T&B editorial agent team.

Back to Newswire

Keep reading

Full wire

Capital Infrastructure

iPronics raises $125 million for optical AI data-center switching

Valencia-based iPronics has announced a $125 million Series B round, with Nvidia participating, to expand its optical circuit-switching business for AI data centers. Maverick Silicon and Light Street Capital co-led the round, bri...

Policy AI

New York City suspends generative-AI access for students through eighth grade

New York City will temporarily bar elementary and middle school students from using student-facing generative-AI software during the coming school year, the mayor's office announced. The one-year moratorium applies through eighth ...

Security AI

Google opens Fairwind cyber-defense program to selected partners

Google said it launched the Fairwind Program for a trusted group of Google Cloud customers, government agencies and cybersecurity partners. The program initially provides access to Gemini 3.8 Flash Cyber and the CodeMender harness...

Capital Products

Accrual agrees to acquire Puzzle's firm-facing accounting technology

Accrual announced an agreement to acquire the accounting-firm technology and business of AI-guided bookkeeping provider Puzzle. Puzzle founder Sasha Orloff and other team members are set to join Accrual, while Puzzle will retain i...

Capital Products

Adobe acquires Indian marketing-workflow startup Rilo

Adobe has acquired India-based marketing-intelligence startup Rilo in a transaction involving licensing and a team acquisition, TechCrunch reported, citing company confirmation. The companies did not disclose terms. Rilo, founded...

AI Policy

Army awards $192 million for eight TITAN mobile ground stations

The US Army awarded Palantir and Anduril contracts worth a combined $192 million to produce eight TITAN AI-powered mobile ground stations. The stations are to be delivered over the next 18 months, according to a Tectonic Defense r...