HiddenLayer
HiddenLayer, Inc.
The most comprehensive security platform for AI
Last verified April 22, 2026Quick facts: HiddenLayer is an AI compliance vendor founded in 2022 and headquartered in Austin, United States. The vendor publicly documents coverage for EU AI Act, NIST AI RMF, and ISO/IEC 42001. Pricing is available on request. Profile last verified April 22, 2026, with every claim traceable to a cited public source.
About HiddenLayer
HiddenLayer is an Austin, Texas-based AI security company founded in March 2022 by experienced cybersecurity and machine learning professionals. The company provides a comprehensive AI Security Platform covering AI Discovery (automated inventory), AI Supply Chain Security (model scanning for embedded threats), AI Attack Simulation (red teaming), and AI Runtime Security (guardrails and active threat response). The platform is designed to be non-invasive — protecting models without requiring access to raw training data — and integrates with CI/CD, MLOps, data pipelines, and SIEM/SOAR tools. HiddenLayer is recognized by Gartner as a Cool Vendor for AI Application Security. The company raised $50M in Series A in September 2023, the largest Series A for an AI-focused cybersecurity company at that time, led by M12 (Microsoft's Venture Fund) and Moore Strategic Ventures. Customers include enterprises in financial services, US federal government, and technology. Named endorsers include the CISO of the NFL and the former CISO of AIG.
Featured in
HiddenLayer is ranked in the following independent collection.
Frameworks supported
Regulations and voluntary standards HiddenLayer documents support for on their own materials. Chip shading reflects the strength of the claim, not an independent audit.
Regulation · EU · in force
Voluntary standard · US · voluntary
Voluntary standard · Global · voluntary
HiddenLayer features
Capabilities HiddenLayer markets publicly. Inclusion means the feature is documented on the vendor's site — not that it's best-in-class. Last verified April 22, 2026.
AI Model Inventory
Centralized registry of all AI/ML models in use across the organization, with ownership, lifecycle stage, and risk classification.
Policy Management
Authoring, versioning, and distribution of AI usage policies mapped to regulations.
Risk Assessment Workflow
Guided workflows for completing AI impact assessments, risk scoring, and approval routing.
Model Monitoring
Production monitoring for performance, drift, data quality, and fairness regressions.
LLM Red Teaming
Automated adversarial testing of LLMs for jailbreaks, prompt injection, and unsafe outputs.
LLM Guardrails & Content Filtering
Runtime guardrails that block or redact unsafe prompts and responses in production LLM applications.
Third-Party AI Vendor Risk
Intake and assessment of AI features in third-party SaaS used by the organization.
Audit Evidence Collection
Automated collection, hashing, and retention of evidence (model cards, test results, approvals) for audit.
Industries served
Integrations
Documented by HiddenLayer in public product materials.
- AWS SageMaker
- Azure ML
- Databricks
- GitHub
- OpenAI API
HiddenLayer pricing
Enterprise-only, contact sales for pricing. No public pricing listed on website.
Frequently asked
What is HiddenLayer?+
HiddenLayer is a AI red-team and security platform headquartered in Austin, United States, founded in 2022. Profile last verified April 22, 2026.
How much does HiddenLayer cost?+
HiddenLayer does not publish pricing. Enterprise-only, contact sales for pricing. No public pricing listed on website.. Verified April 22, 2026.
Which AI compliance frameworks does HiddenLayer support?+
HiddenLayer documents support for EU AI Act, NIST AI RMF, and ISO/IEC 42001 in its public materials. Coverage strength varies — see the framework chips above.
What does HiddenLayer integrate with?+
HiddenLayer publicly documents integrations with AWS SageMaker, Azure ML, Databricks, and GitHub, and 1 more. See the integrations list above for the full set.
Who is HiddenLayer for?+
HiddenLayer markets to Financial Services, Government & Public Sector, and Defense & National Security teams and other regulated industries. Match it against your specific framework and integration requirements before committing.
Sources
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