HiddenLayer vs Noma Security: Which One Covers More of the OWASP LLM Top 10 in 2026?
HiddenLayer and Noma Security are both AI-SPM / Runtime Protection vendors. HiddenLayer covers 3 of 10 OWASP LLM risks and Noma Security covers 5, as of 2026-07-13. Based on llmthreat's coverage scoring, Noma Security covers more of the OWASP LLM Top 10 (5 vs 3). The full row-by-row diff is below.
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Spec comparison
| Attribute | HiddenLayer | Noma Security |
|---|---|---|
| Category | AI-SPM / Runtime Protection | AI-SPM / Runtime Protection |
| Deployment | SaaS, self-hosted, API/CI-CD; agentless and model-agnostic | SaaS and self-hosted (enterprise); covers full AI/agent lifecycle |
| Best for | Enterprises needing model file scanning plus non-invasive runtime detection across GenAI, predictive ML and agentic systems | Enterprises wanting one platform for AI/ML supply-chain posture, agent runtime protection and framework-mapped governance |
| Founded | 2022 | 2023 |
| Funding | $56M | $132M |
| Status | Active | Active |
OWASP LLM Top 10 coverage: HiddenLayer vs Noma Security
This diff is llmthreat's editorial read of both vendors' public documentation as of 2026-07-13, not an audited or vendor-endorsed score.
| OWASP LLM Risk | HiddenLayer | Noma Security |
|---|---|---|
| LLM01 Prompt Injection | Covered | Covered |
| LLM02 Sensitive Information Disclosure | Covered | Covered |
| LLM03 Supply Chain | Covered | Covered |
| LLM04 Data and Model Poisoning | Partial | Covered |
| LLM05 Improper Output Handling | Partial | Unverified |
| LLM06 Excessive Agency | Partial | Covered |
| LLM07 System Prompt Leakage | Partial | Partial |
| LLM08 Vector and Embedding Weaknesses | Partial | Partial |
| LLM09 Misinformation | Not covered | Partial |
| LLM10 Unbounded Consumption | Partial | Partial |
Where they differ
HiddenLayer addresses LLM05 Improper Output Handling — risks where Noma Security scores Not covered or Unverified.
Noma Security covers LLM09 Misinformation where HiddenLayer doesn't.
On the rest, they overlap. Past those gaps the decision is depth per risk, deployment, and price, not breadth.
Which should you choose?
Noma Security edges it on breadth, 5 covered risks to 3. HiddenLayer is built for enterprises needing model file scanning plus non-invasive runtime detection across GenAI, predictive ML and agentic systems, while Noma Security suits enterprises wanting one platform for AI/ML supply-chain posture, agent runtime protection and framework-mapped governance. Both rows sit in the full coverage matrix — read the profiles before deciding: HiddenLayer and Noma Security.
Frequently asked questions
Does HiddenLayer or Noma Security cover more of the OWASP LLM Top 10?
Noma Security does, 5 risks to 3 by our scoring. The diff table above shows exactly where they part ways.
Are HiddenLayer and Noma Security independent?
HiddenLayer is independent; Noma Security is independent, as of 2026-07-13.