Enterprise Security & Guardrails

Enterprise

Aurascape

AI-traffic security that decodes AI app protocols natively, enforcing policy at the tool-call level with cross-action data lineage.

Paid

Azure AI Content Safety

Microsoft's managed content-safety API with prompt-shield protection for Azure-hosted AI workloads.

Enterprise

CalypsoAI

AI security platform for model-agnostic guardrails, red-teaming, and inference protection — part of F5 since Sep 2025.

Enterprise

Cisco AI Defense

Cisco's end-to-end AI security: asset discovery, model testing, and runtime guardrails covering prompts, responses, and MCP traffic.

Enterprise

ConductorOne

AI-native identity security and governance for human, non-human, and AI agent identities — access reviews, least-privilege automation, and agent access control at enterprise scale.

Enterprise

Credal

Secure enterprise AI platform with data permissions, DLP, and audit logging built in.

Enterprise

Credo AI

AI governance platform for model registries, risk assessments, and EU AI Act conformity.

Open Source

Guardrails AI

Open-source framework for validating and structuring LLM outputs with composable validators.

Enterprise

HiddenLayer

Enterprise platform for ML model security: scanning, detection, and response for AI assets.

Enterprise

Keycard

Identity and access management for AI agents (a16z-backed, $38M): ephemeral task-scoped tokens replace static keys, with delegation chains, policy enforcement, and MCP/OAuth 2.1 standards support.

Paid

Lakera Guard

Runtime LLM firewall for prompt injection, jailbreaks, and data leakage — now part of Check Point.

Enterprise

Lasso Security

LLM-focused security monitoring for shadow AI, data leakage, and prompt-level threats.

Open Source

LLM Guard

Archived open-source toolkit of 35+ input/output scanners. Read-only since Jul 2026 after Palo Alto Networks folded Protect AI into Prisma AIRS.

Open Source

NeMo Guardrails

NVIDIA's open-source toolkit for programmable conversational rails and safety policies inside LLM applications.

Enterprise

nexos.ai

AI workspace and gateway giving enterprises governed access to 200+ models with guardrails.

Enterprise

Noma Security

Platform securing the AI lifecycle: supply chain, posture, and runtime threat detection.

Paid

Oneleet

Security-first compliance platform: pentesting, code scanning, and SOC 2 / ISO 27001 automation in one.

Enterprise

Pillar Security

Security platform covering the AI lifecycle from posture management to runtime guardrails.

Enterprise

Prisma AIRS

Palo Alto Networks' end-to-end AI security platform: runtime firewall, model scanning, AI red teaming, and agent security (v3.0, Mar 2026) — where Protect AI and LLM Guard's lineage landed after the 2025 acquisition.

Enterprise

Prompt Security

Real-time GenAI security for employee and agent AI use, with an MCP gateway — part of SentinelOne since Sep 2025.

Enterprise

PromptArmor

LLM application security (YC W24): real-time threat detection for prompt injection, data exfiltration, and agent manipulation, plus AI vendor risk assessments.

Paid

Scan Ninja

AI-driven vulnerability management that turns scanner output into prioritized fixes and audit-ready compliance evidence.

Enterprise

Straiker

AI-native security for agentic AI: agent discovery and posture, continuous red teaming, and runtime guardrails against prompt injection and tool abuse.

Enterprise

WitnessAI

Enterprise AI observability and policy guardrails for safe employee and app AI usage.

Enterprise

Zenity

Security and governance for AI agents and low-code copilots across the enterprise.