HiddenLayer Funding, Investors & Competitors

HiddenLayer has raised $156M across 3 funding rounds, most recently a $100M Series B in September 2026.

Last HiddenLayer funding round

$100M

Series B · Sep 2026

Cumulative funding HiddenLayer raised

$156M

across 3 funding rounds

Key investors in HiddenLayer

  • Ten Eleven Ventures
  • M12
  • Secure Octane
  • Booz Allen Ventures
  • Morgan Stanley
  • Capital One Ventures
  • Moore Strategic Ventures
  • Delta-v Capital

HiddenLayer Overview

About HiddenLayer

HiddenLayer is a Colorado-headquartered provider of AI security platforms for machine learning models. The company scans for vulnerabilities, performs red team assessments, and offers runtime monitoring against adversarial attacks. HiddenLayer integrates with TensorFlow and PyTorch frameworks, serving enterprises in finance and healthcare. Founded in 2020, the firm delivers threat intelligence tailored to generative AI risks.


Founded

2022

HQ

United StatesAustin, TX

Status

Privately held

Customer focus

B2B

Revenue model

Subscription

HiddenLayer Funding History

HiddenLayer has raised a total of $156M across 3 funding rounds.

HiddenLayer's first fundraising round was a $6M seed round in July 2022. The most recent completed round was a $100M Series B in September 2026.

HiddenLayer funding rounds

HiddenLayer funding rounds
DateStageInvestorsRaisedDeal Summary
Sep 2026Series BDelta-v Capital (lead); Ten Eleven Ventures; Booz Allen Ventures; M12; Morgan Stanley$100MHiddenLayer raised a $100 million Series B on September 2, 2026, led by Delta-v Capital, with participation from Ten Eleven Ventures, Morgan Stanley, M12, and Booz Allen Ventures. The company said the proceeds will expand its enterprise AI security platform, including Agentic Runtime Security and Agent Harness Security, to protect autonomous coding agents and broader AI workflows as enterprise adoption accelerates. HiddenLayer is an Austin-based AI security company founded in 2022 that focuses on securing agentic, generative, and predictive AI applications, and its publicly announced financing prior to this round included a $50 million Series A in 2023 and earlier seed funding.
Sep 2023Series AM12 (lead); Moore Strategic Ventures (lead); Secure Octane; Ten Eleven Ventures; Capital One Ventures; Booz Allen Ventures; IBM Ventures; Aro Ventures$50MHiddenLayer is a cybersecurity company founded in 2022 and based in Austin, Texas, specializing in protecting AI and machine learning models from adversarial attacks such as IP theft, model extraction, evasion, and data poisoning without requiring access to raw data or algorithms. The company emerged from stealth in 2023 and offers a turnkey AI/ML security platform that integrates with partners like Databricks and Intel, serving Fortune 100 customers in finance, government, defense (including U.S. Air Force and Space Force), and cybersecurity sectors. On September 19, 2023, HiddenLayer raised $50 million in a Series A round co-led by M12 (Microsoft's venture fund) and Moore Strategic Ventures, with participation from Booz Allen Ventures, IBM Ventures, Capital One Ventures, Ten Eleven Ventures, and Secure Octane, bringing total funding to $56 million. Prior to this, an initial filing showed $31.9 million raised toward the $50 million target in July 2023. The funds supported go-to-market expansion, growing headcount from 50 to 90 employees by year-end, R&D investment, and global sales acceleration. HiddenLayer contributes to MITRE ATLAS for adversarial AI tactics and positions itself to meet rising demand for AI security across industries.
Jul 2022SeedTen Eleven Ventures (lead); Secure Octane$6MHiddenLayer, an Austin, Texas-based company founded in March 2022, develops a security platform that safeguards machine learning models for enterprise organizations. The platform uses a patent-pending ML-based approach to analyze billions of model interactions per minute, detecting and responding to attacks without access to raw data or algorithms, protecting against threats like IP theft, model tampering, and data poisoning. In July 2022, HiddenLayer raised $6 million in a seed funding round led by Ten Eleven Ventures, which invested $4.75 million, with participation from Secure Octane. The funds are intended to accelerate growth and expand operations. HiddenLayer emerged from stealth in July 2022 and has since demonstrated growth, nearly quadrupling headcount by September 2023 and securing partnerships with Intel and Databricks. It serves Fortune 100 customers in finance, government, defense, and cybersecurity sectors.

Who has invested in HiddenLayer?

10 investors have backed HiddenLayer across its funding rounds, including Ten Eleven Ventures, M12, Secure Octane, Booz Allen Ventures, Morgan Stanley and Capital One Ventures.

Lead investors include Delta-v Capital, M12, Moore Strategic Ventures and Ten Eleven Ventures.


HiddenLayer Investors

Investors in HiddenLayer by funding rounds participated
InvestorHQRoundsRoleFirst check
Ten Eleven VenturesUnited StatesSan Francisco, CA3LeadJul 2022
Secure OctaneUnited StatesSan Francisco, CA2ParticipantJul 2022
Booz Allen VenturesUnited StatesSan Francisco, CA2ParticipantSep 2023
M12United StatesUnited States2LeadSep 2023
Delta-v CapitalUnited StatesBoulder, CO1LeadSep 2026
Capital One VenturesUnited StatesSan Francisco, CA1ParticipantSep 2023
Morgan StanleyUnited StatesNew York City, NY1ParticipantSep 2026
IBM VenturesUnited StatesNew York City, NY1ParticipantSep 2023

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HiddenLayer Competitors

HiddenLayer competitors include listed companies like Palo Alto Networks, CrowdStrike, IBM and Fortinet, and private ones like Safe Superintelligence and Cyera.

Public and private companies comparable to HiddenLayer
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
Palo Alto NetworksUnited StatesUnited StatesPublicly listed$11B$1B$307B25.9x
CrowdStrikeUnited StatesUnited StatesPublicly listed$4.8B($12M)$252B44.5x
IBMUnited StatesUnited StatesPublicly listed$68B$17B$224B4.0x
FortinetUnited StatesUnited StatesPublicly listed$6.8B$2.3B$127B15.9x
Safe SuperintelligenceUnited StatesSan Francisco, CAPrivate--$32B-
CyeraUnited StatesNew York City, NYPrivate$150M-$12B80.0x

HiddenLayer Public Comps

HiddenLayer is still privately-owned, but its public comps include Palo Alto Networks, CrowdStrike, IBM, Fortinet, Cloudflare, Okta, Zscaler, F5, Rubrik and Gen Digital.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Palo Alto Networks$11B$1B26.7x25.9x301.1x76.9x
CrowdStrike$4.8B($12M)51.4x44.5x(19816.2x)151.0x
IBM$68B$17B4.2x4.0x16.9x14.6x
Fortinet$6.8B$2.3B18.1x15.9x53.7x41.9x
Cloudflare$2.2B($25M)54.6x44.3x(4653.4x)185.1x
Okta$2.9B$245M10.6x10.0x126.4x36.4x
Zscaler$3.4B$42M9.1x8.9x721.8x32.5x
F5$3.1B$901M7.5x6.9x25.8x18.3x

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Common questions about HiddenLayer

When was HiddenLayer founded?HiddenLayer was founded in 2022.
Where is HiddenLayer headquartered?HiddenLayer is headquartered in Austin, TX, United States.
Is HiddenLayer publicly listed?No, HiddenLayer is a private, VC-backed company.
How much funding has HiddenLayer raised?HiddenLayer has raised $156M across 3 funding rounds.
What was HiddenLayer's last funding round?HiddenLayer's last funding round was a $100M Series B in September 2026, led by Delta-v Capital.
Who are HiddenLayer's investors?HiddenLayer's investors include Ten Eleven Ventures, Secure Octane, Booz Allen Ventures, M12, Delta-v Capital, Capital One Ventures, Morgan Stanley, IBM Ventures, Moore Strategic Ventures and Aro Ventures.
Which companies are comparable to HiddenLayer?Companies comparable to HiddenLayer include Palo Alto Networks, CrowdStrike, IBM, Fortinet, Safe Superintelligence and Cyera.

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