HiddenLayer

HiddenLayer is a web-based AI security platform for enterprises securing agentic, generative, and predictive AI applications across the full AI lifecycle.

Key capabilities include:

• AI Discovery that automates inventory of AI applications, models, and related assets across cloud environments, helping security teams identify shadow AI from a centralized dashboard
• AI Supply Chain Security for validating model integrity before deployment, including model scanning and supply-chain risk detection to reduce exposure to compromised or vulnerable third-party artifacts
• AI Attack Simulation for automated red teaming and continuous posture assessment using simulated real-world AI attacks to surface weaknesses earlier
• AI Runtime Security (AIDR) to monitor prompts and responses, detect prompt injection and other adversarial behaviors, and support real-time response with guardrails and enforcement, including visibility and threat hunting for autonomous agents and MCP-style tool use

Pricing: Not publicly listed.

Notable for combining discovery, supply chain scanning, attack simulation, and runtime detection and response in one platform, including runtime protection that does not require access to private data or proprietary models. It is also recognized as a Gartner Cool Vendor for AI security.