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HiddenLayer AI Runtime Security

hiddenlayer.com

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Spec score 7.7 #8 of 23 in AI Guardrail Software

What it is

HiddenLayer AI Runtime Security protects AI applications, agents, and agentic workflows during production operation. It provides runtime visibility, detects threats such as prompt injection, unsafe agent behavior, sensitive data exposure, and malicious tool use, and can block or redact actions under policy and platform capabilities. Teams can reconstruct agent sessions and search across tools, data, workflows, and execution paths. Deployment options include APIs, gateways, SDKs, and lightweight on-device integrations. Agent integrations include LangChain, LiteLLM, the OpenAI Agents SDK, AWS Strands, and TrueFoundry’s gateway. AWS coverage includes Bedrock models and agents, SageMaker models and endpoints, and Bedrock AgentCore agents using AWS Strands. Runtime events can feed SIEM, SOAR, and security operations workflows. Coding-agent protection uses an on-device integration, but available enforcement depends on the underlying platform. SDK languages listed are Python, TypeScript, and JavaScript. Pricing is available on request through a demo request. HiddenLayer was founded in 2022 and is based in Austin, Texas.

Spec sheet

Purpose
AI Runtime Security protects AI applications, agents, and agentic workflows with runtime visibility, threat detection, and inline enforcement.Read 3 Oct 2026 · hiddenlayer.com
Intended users
The product page describes runtime protection for enterprises securing AI agents and applications in production.Read 2 Oct 2026 · hiddenlayer.com
Audience
The product is presented for enterprise security teams protecting AI applications, autonomous agents, and coding-agent workflows in production.Read 3 Oct 2026 · hiddenlayer.com
Integrations
HiddenLayer lists agent integrations for LangChain, LiteLLM, the OpenAI Agents SDK, AWS Strands, and TrueFoundry’s gateway.Read 3 Oct 2026 · hiddenlayer.com
Headquarters
Austin, TexasRead 28 Sep 2026 · hiddenlayer.com
Founded
2022Read 28 Sep 2026 · hiddenlayer.com
Company
HiddenLayer says it was founded in March 2022 and is based in Austin, Texas.Read 2 Oct 2026 · hiddenlayer.com
Agent investigations
Agentic Runtime Security can reconstruct agent sessions and let teams search and pivot across sessions, tools, and execution paths to investigate threats.Read 3 Oct 2026 · hiddenlayer.com
Agent visibility
The product observes and reconstructs agent interactions across tools, data, and workflows in real time.Read 2 Oct 2026 · hiddenlayer.com
AWS integrations
HiddenLayer says its AWS integrations cover Bedrock models and agents, SageMaker models and serving endpoints, and Bedrock AgentCore agents using AWS Strands.Read 2 Oct 2026 · hiddenlayer.com
AWS support
The AWS integration covers Bedrock models and agents, SageMaker models and serving endpoints, and agents using Amazon Bedrock AgentCore with AWS Strands.Read 3 Oct 2026 · hiddenlayer.com
Coding agents
Agent Harness Security integrates with coding agents’ native hook surfaces and provides runtime visibility across prompts, tool calls, shell commands, file edits, and repository interactions.Read 3 Oct 2026 · hiddenlayer.com
Data security
The security page says customer data is encrypted at rest and data transmitted over potentially insecure networks uses TLS 1.2 or higher.Read 3 Oct 2026 · hiddenlayer.com
Deployment flexibility
HiddenLayer describes flexible deployment through APIs, gateways, SDKs, or lightweight on-device integrations.Read 2 Oct 2026 · hiddenlayer.com
Enforcement limits
For coding agents, the strongest enforcement available depends on the underlying platform, and the product reports which controls are active and supported.Read 3 Oct 2026 · hiddenlayer.com
Inline controls
It can detect, block, or redact unsafe actions and sensitive information according to policy and platform capabilities.Read 3 Oct 2026 · hiddenlayer.com
Pricing
The product page offers a demo request; it does not state a price.Read 2 Oct 2026 · hiddenlayer.com
Pricing and access
The Runtime Security page directs prospective customers to request a demo and does not state a price or trial offer.Read 3 Oct 2026 · hiddenlayer.com
Runtime protection
HiddenLayer protects AI applications, agents, and agentic workflows with runtime visibility, threat detection, and inline enforcement.Read 2 Oct 2026 · hiddenlayer.com
Security certifications
HiddenLayer reported SOC 2 Type II compliance across all five trust principles and ISO 27001 compliance in February 2025.Read 3 Oct 2026 · hiddenlayer.com
Security compliance
HiddenLayer states that its Machine Learning Detection & Response System has met SOC 2 Type II standards for controls relevant to security, availability, and confidentiality.Read 2 Oct 2026 · hiddenlayer.com
Security operations
Runtime detections and enforcement events can be integrated with SIEM, SOAR, and security operations workflows.Read 3 Oct 2026 · hiddenlayer.com
Threat detection
It detects and investigates prompt injection, unsafe agent behavior, sensitive data exposure, malicious tool use, and other runtime threats.Read 2 Oct 2026 · hiddenlayer.com
Threats
It detects and investigates prompt injection, unsafe agent behavior, sensitive data exposure, malicious tool use, and other runtime threats.Read 3 Oct 2026 · hiddenlayer.com

Strong points and limits

Strong points

  • Runtime visibility across tools and workflows
  • Detects prompt injection and sensitive-data exposure
  • Session reconstruction supports agent investigations
  • Integrations include major agent frameworks
  • Python, TypeScript, and JavaScript SDKs

Limits

  • Coding-agent enforcement depends on platform capabilities
  • Enterprise production security focus may exceed small-team needs

Who it suits

This product is presented for enterprise security teams protecting production AI applications, autonomous agents, and coding-agent workflows. It fits organizations needing runtime investigation, policy enforcement, and security-operations integration.

Verdict

HiddenLayer combines runtime monitoring, threat investigation, and policy-based enforcement for AI systems. Its deployment and integration options are broad, while pricing and some coding-agent controls require direct assessment.

Where Specifiction places it

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