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Category

AI Security & Governance

Ship AI safely and in compliance.

14 tools·2 with free trial

Top picks

01

Security platform for AI models and the ML lifecycle

HiddenLayer is a credible, well-funded specialist in model-centric AI security, and its breadth, discovery, supply-chain scanning, runtime defense, and attack simulation, plus mappings to MITRE ATLAS and OWASP, fit enterprises with mature AI governance needs. Notably, it remains independent as of August 2026 while several competitors (Lakera, Prompt Security, Protect AI, Robust Intelligence) have been acquired, which some buyers will see as a differentiator and others as acquisition risk. Pricing is enterprise custom with no public tiers or free plan, so it is aimed at organizations that can engage in a sales process; confirm scope and pricing directly.
paid·Custom (enterprise)
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02

End-to-end security for generative AI and agents

Lasso is a credible, GenAI-native security vendor, but it publishes no pricing and sells only through sales-gated enterprise deals, so it is not a self-serve tool. It fits organizations with real LLM and agent deployments that need discovery plus runtime guardrails; smaller teams or those just experimenting with AI will likely find it heavier and more expensive than needed. Evaluate it with a scoped proof-of-value against your own AI inventory.
paid·Custom quote
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03

AI-native data loss prevention across SaaS, AI apps and endpoints.

Nightfall AI is an enterprise data-security product bought by security and compliance teams, not an individual tool, and adoption typically runs through procurement and security review. Its ML-based detection can reduce false positives versus pure regex, and its coverage of generative-AI data leakage is timely, but pricing is quote-based and effectiveness depends on how well it maps to your specific SaaS stack and workflows. Pilot it against real data flows before committing.
paid
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All AI Security & Governance

Credal logo

The control plane for governed enterprise AI agents.

#enterprise ai#ai governance#ai agents#data security
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Credo AI logo

Enterprise platform for AI governance, risk and compliance.

#ai governance#ai compliance#risk management#responsible ai
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Delve logo

AI-driven compliance automation for SOC 2, HIPAA, ISO 27001 and more.

#compliance automation#soc 2#hipaa#iso 27001
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Nullify logo

An autonomous AI workforce for product security.

#appsec#vulnerability-management#ai-agents#devsecops
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Knostic logo

Need-to-know access controls for enterprise AI.

#ai-governance#data-security#llm-security#access-control
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Pillar Security logo

Securing the agentic workforce across the AI lifecycle.

#ai-security#ai-red-teaming#agent-security#guardrails
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Zenity logo

Security and governance for the AI agent workforce.

#ai-agent-security#ai-governance#aispm#shadow-ai
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PromptArmor logo

AI risk intelligence for third-party AI features.

#ai-risk-intelligence#third-party-risk#prompt-injection#grc
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Harmonic Security logo

Zero-touch data protection for the GenAI era.

#data-loss-prevention#genai-security#shadow-ai#data-protection
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Fairly AI logo

Policy-as-code AI governance and compliance for regulated industries.

#ai-governance#compliance#model-risk-management#regtech
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Holistic AI logo

An enterprise AI governance platform for risk and compliance.

#ai-governance#eu-ai-act#compliance#risk-management
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Frequently asked questions

What's the best ai security & governance tool?
HiddenLayer currently leads in community votes. HiddenLayer is a credible, well-funded specialist in model-centric AI security, and its breadth, discovery, supply-chain scanning, runtime defense, and attack simulation, plus mappings to MITRE ATLAS and OWASP, fit enterprises with mature AI governance needs. Notably, it remains independent as of August 2026 while several competitors (Lakera, Prompt Security, Protect AI, Robust Intelligence) have been acquired, which some buyers will see as a differentiator and others as acquisition risk. Pricing is enterprise custom with no public tiers or free plan, so it is aimed at organizations that can engage in a sales process; confirm scope and pricing directly.
Are there free options?
Most tools in this category are paid, but some offer trials. Check each tool's pricing details.
How do you rank these tools?
Tools are ranked by a combination of community upvotes, editorial review, and feature breadth. Our editors review pricing and capabilities quarterly.
Can I suggest a tool we're missing?
Yes — submit it here. Our team reviews submissions weekly.