How much funding has HiddenLayer raised?

HiddenLayer has raised $56.25M in total. Its most recent round was a Series A in September 2023.

How many people work at HiddenLayer?

About 169, up 1% over the last 30 days, with 14 open roles.

Who are HiddenLayer's competitors?

Troj AI, Verax, and TestSavant are among the closest in AI Security. The full competitive set, with overlap scoring, is in the platform.

HiddenLayer

AI SecurityAustin, United Statesfounded 2022private

HiddenLayer is a cybersecurity company specializing in AI Security, founded in 2022 and headquartered in Austin, United States. It has raised $56.25M in total funding, employs about 169 people, and is privately held.

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updated Aug 18, 2026

The record

What HiddenLayer did, dated.

Aug 2026Customer winHiddenLayer Selected to Support DOE's $60 Million Prometheus Initiative
Aug 2026Exec changeHiddenLayer Welcomes Mike Gesnaldo as Chief Revenue Officer
Aug 2026Product launchHiddenLayer Introduces Agent Harness Security for AI Coding Agents
Jul 2026PartnershipHiddenLayer and BDO Launch Strategic Partnership at Black Hat 2026

Momentum

53 out of 100.

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Products

What HiddenLayer sells.

In the platform

The other 440 data points.

Funding historyevery round, every lead investor
Headcount growthvelocity, departments, seniority
Open jobs14 live postings, role mix
Tech stackframeworks, clouds, security

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FAQ

Common questions about HiddenLayer.

How much funding has HiddenLayer raised?: HiddenLayer has raised $56.25M in total. Its most recent round was a Series A in September 2023.
How many people work at HiddenLayer?: About 169, up 1% over the last 30 days, with 14 open roles.
Who are HiddenLayer's competitors?: Troj AI, Verax, and TestSavant are among the closest in AI Security. The full competitive set, with overlap scoring, is in the platform.