HiddenLayer
HiddenLayer, a Gartner-recognized Cool Vendor for AI Security, is the leading provider of Security for AI. Its AISec Platform unifies supply chain security, runtime defense, posture management, and automated red teaming to protect agentic, generative and predictive AI applications. The platform enables organizations across the private and public sectors to reduce risk, ensure compliance, and adopt AI with confidence. Founded by a team of cybersecurity and machine learning veterans, HiddenLayer combines patented technology with industry-leading research to defend against prompt injection, adversarial manipulation, model theft, and supply chain compromise. The company is backed by strategic investors including M12 (Microsoft’s Venture Fund), Moore Strategic Ventures, Booz Allen Ventures, IBM Ventures, and Capital One Ventures.
Founded
2022
Location
Austin, TX
Employees
162
Funding
$50M Series A
HiddenLayer: AI Security Platform for LLMs, Agents, and Predictive ML
HiddenLayer is an AI security company that safeguards models and AI-enabled applications across the lifecycle—from pre-deployment scanning to runtime defense and governance. Its flagship AISec Platform combines model supply chain security, real-time detection and response, posture management, and automated red teaming, designed to protect agentic, generative, and predictive AI without requiring access to model code or training data. Sources: [Website](https://hiddenlayer.com), [AISec Platform](https://hiddenlayer.com/aisec-platform).
Platform and Core Modules
Notable design principle: protection without invasive access to training data or source code—well-suited to regulated, IP-sensitive environments. Source: [AISec Platform](https://hiddenlayer.com/aisec-platform).
Key Capabilities
Who It’s For
Common Use Cases
Integrations and Distribution
Market Traction, Funding, and Recognition
Buyer Perspective: Pros and Cons
Pricing and Evaluation
Company Facts
Leadership
Educational Resources and Further Reading
If you’d like, I can build a deeper feature map (supported environments, SIEM/SOAR and ticketing integrations, deployment patterns) by parsing the datasheets and marketplace documentation page by page.
Related Companies
CalypsoAI
CalypsoAI is an adaptive AI security platform that empowers enterprises to innovate safely—staying ahead of evolving threats to deliver unmatched protection and performance. As a trusted global leader, CalypsoAI partners with organizations of all sizes to responsibly unlock AI’s full potential. Founded in Silicon Valley in 2018 by the most talented minds in AI, data science and machine learning, CalypsoAI has established key partnerships with some of the world’s largest companies and secured backing from investors including Paladin Capital Group, Lockheed Martin Ventures, Lightspeed Venture Partners, 8VC, Hakluyt Capital and Empros Capital. The company has raised $38.2 million to date.
Dropzone AI
Dropzone AI is the first AI SOC analyst that autonomously investigates alerts 24/7. It integrates with existing tools, adapts to your environment, and generates decision-ready reports. You can focus on real threats and 10X your team without adding headcount. No playbooks, code, or prompts required.
Lakera
Lakera is the world’s leading real-time GenAI security company. Customers rely on the Lakera AI Security Platform for security that doesn’t slow down their AI applications. To accelerate secure adoption of AI, the company created Gandalf, an educational platform, where more than one million users have learned about AI security. Lakera uses AI to continuously evolve defenses, so customers can stay ahead of emerging threats. Join us to shape the future of intelligent computing: www.lakera.ai/careers
Mindgard
Mindgard is the leading provider of AI security solutions. Spun out from over a decade of AI security research at Lancaster University and headquartered in Boston and London, Mindgard helps enterprises secure their AI models, agents, and applications across the AI lifecycle. AI introduces risks that traditional security tools cannot detect, leaving organizations unable to find, measure, or secure their AI. Security teams struggle with a lack of visibility into AI activity and its attack surfaces. Difficulty reproducing agentic AI behavior creates uncertainty and compliance challenges. Ultimately, an inability to enforce AI controls heights the risk of compromise. Mindgard delivers AI detection and response through attack-driven defense, giving enterprises the ability to map their AI attack surface, measure and validate AI risk, and actively defend their AI. - Visibility into AI inventory and activity reveals what attackers can find out about your AI. - Continuous and automated AI red teaming assesses how attackers can exploit your AI. - Enforcement controls and policies at runtime stops attackers from breaching your AI. Mindgard stands out for its: - Flexibility: Test AI models directly or via apps using CI/CD, our web UI, or tools like Burp Suite. - Usability: The only non-open-source AI red teaming platform, fast and easy to set up, test, and report with. - R&D pipeline: Backed by a decade of university research and active PhD-level innovation and publishing. Mindgard works with the AI models and guardrails you build, buy and use. Extensive coverage beyond LLMs, including image, audio, and multi-modal. Whether you are using open source, internally developed, 3rd party purchased, or popular LLMs like OpenAI, Claude, Bard, we’ve got you covered. Trusted by leading organizations in finance, healthcare, and technology, Mindgard is backed by investors including .406 Ventures, IQ Capital, Atlantic Bridge, and Lakestar. For more information, visit mindgard.ai
Nexusflow
Nexusflow Solution enables Generative AI agents that surpass GPT-4 in your workflow and continuously automatically update with security guardrails.
ProtectAI
Prisma AIRS is the world’s most comprehensive AI security platform. It's natively integrated and uses best-in-class security to secure the entire AI attack lifecycle for every AI app, agent, models and dataset your business uses or builds. It empowers organizations to deploy AI bravely knowing that whatever they build is secure.