HiddenLayer Reviews, Ratings & Features 2026 | Gartner Peer Insights

AI security testing (AI‑ST) uncovers vulnerabilities and exposures in AI‑enabled systems and applications by applying specialized assessments tailored to the unique risks of machine learning and generative AI. It includes offensive techniques such as automated generation and execution of adversarial prompts, as well as AI component scanning across model repositories, libraries, frameworks, and notebooks. AI‑ST also evaluates model behavior under manipulation, edge cases, and failure modes to identify issues like data leakage, bias, or unsafe outputs. By proactively detecting weaknesses before deployment, AI‑ST helps organizations strengthen resilience, reduce security incidents, and maintain trust in AI‑driven products. Typical users include security teams, AI/ML engineers, red‑teamers, DevSecOps practitioners, and risk or compliance groups responsible for safeguarding AI applications.

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AI Security Testing

HiddenLayer

Manager, Customer Service And Support

I'd have to say that my experience overall has been overwhelmingly positive. I wish I would've known about this product sooner. 

<50M USD

50M - 250M USD

Data And Analytics Manager

Purpose-built for ML security with real-time thread detection. It is a strong solution for organizations deploying any AI models in production 

Software Developer

HiddenLayer provides strong visibility into AI and ML model risks. The platform is easy to set up and has helped us identify potential vulnerabilities in our AI workflows, especially prompt injection and model exposure risks.

Palo Alto Networks

TrojAI

Mindgard

Pillar Security

HiddenLayer's AI Security Platform secures agentic, generative, and predictive AI applications across the entire lifecycle, including AI discovery, AI supply chain security, AI attack simulation, and AI runtime security. Backed by patented technology and expert-driven adversarial AI research, HiddenLayer protects IP, ensures compliance, and enables safe adoption of AI at enterprise scale.

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.

HiddenLayer focuses on providing security solutions for artificial intelligence systems. Its AISec Platform addresses challenges in supply chain security, runtime defense, posture management, and automated red teaming, aimed at protecting agentic, generative, and predictive AI applications. The platform is designed to help organizations manage risk and ensure compliance as they implement AI technologies. HiddenLayer utilizes proprietary technology and research to protect AI models against threats such as prompt injection, adversarial manipulation, model theft, and supply chain compromise.

Reviews

Ratings Overview

Overall experience with

Favorable Review

Fast Deployment and Dashboard Ease Stand Out, Yet Learning Curve Remains Noticeable

Critical Review

Addresses Emerging AI Risks but Demands Significant Engineering for Deployment

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