# TrojAI Defend vs Zscaler AI-SPM: side-by-side comparison (2026)

[TrojAI Defend](https://cybersectools.com/tools/trojai-defend) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [A10 Networks](https://cybersectools.com/companies/a10-networks). [Zscaler AI-SPM](https://cybersectools.com/tools/zscaler-ai-spm) is a commercial [AI SPM](https://cybersectools.com/categories/ai-spm) solution by [Zscaler](https://cybersectools.com/companies/zscaler). Features, integrations, deployment and the company behind each one, side by side.

## Our take

What our shortlists say about the one we picked.

### [Zscaler AI-SPM](https://cybersectools.com/tools/zscaler-ai-spm)

Best for: Zscaler customers running AI on cloud platforms

This is a close match for the core job of the list, because it starts from the cloud AI platforms where your models and data actually sit. It plugs into Zscaler Data Security, so it pays off most if you already run Zscaler, and you should check how much of the value holds up without it.

From [Best AI SPM Solutions for Business](https://cybersectools.com/shortlists/best-ai-spm-solutions), Fall 2026.

Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about).

## Side-by-side comparison

| | TrojAI Defend | Zscaler AI-SPM |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | LLM Guardrails | AI SPM |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | A10 Networks | Zscaler |
| Headquarters | – | – |

### Use cases and capabilities

| | TrojAI Defend | Zscaler AI-SPM |
|---|---|---|
| Content Filtering | Yes | – |
| Browser Security | Yes | – |
| AI Firewall | Yes | – |
| AI SPM | – | Yes |

### Core features

**TrojAI Defend**

10 features listed. Sign in on the page to see them.

**Zscaler AI-SPM**

10 features listed. Sign in on the page to see them.

### Integrations

**TrojAI Defend**

2 integrations listed. Sign in on the page to see them.

**Zscaler AI-SPM**

6 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [TrojAI Defend](https://cybersectools.com/tools/trojai-defend) fits if you are a small business.

## TrojAI Defend vs Zscaler AI-SPM FAQ

Common questions when comparing TrojAI Defend vs Zscaler AI-SPM for LLM guardrails.

### What is the difference between TrojAI Defend and Zscaler AI-SPM?

**TrojAI Defend**: AI firewall for runtime protection of AI models, applications, and agents. Built by A10 Networks.

**Zscaler AI-SPM**: AI security posture mgmt for securing AI models, data, and LLMs in cloud envs. Built by Zscaler.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes TrojAI Defend and Zscaler AI-SPM?

**TrojAI Defend** is made by A10 Networks. **Zscaler AI-SPM** is made by Zscaler. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is TrojAI Defend a good alternative to Zscaler AI-SPM?

In part. TrojAI Defend and Zscaler AI-SPM are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [TrojAI Defend vs Akamai Firewall for AI](https://cybersectools.com/compare/akamai-firewall-for-ai-vs-trojai-defend)
- [TrojAI Defend vs RealmGuard](https://cybersectools.com/compare/realm-labs-platform-vs-trojai-defend)
- [TrojAI Defend vs F5 AI Guardrails](https://cybersectools.com/compare/f5-ai-guardrails-vs-trojai-defend)
- [Zscaler AI-SPM vs Akamai Firewall for AI](https://cybersectools.com/compare/akamai-firewall-for-ai-vs-zscaler-ai-spm)
- [Zscaler AI-SPM vs RealmGuard](https://cybersectools.com/compare/realm-labs-platform-vs-zscaler-ai-spm)
- [Zscaler AI-SPM vs F5 AI Guardrails](https://cybersectools.com/compare/f5-ai-guardrails-vs-zscaler-ai-spm)

## Alternatives to each

- [See all TrojAI Defend alternatives](https://cybersectools.com/alternatives/trojai-defend)
- [See all Zscaler AI-SPM alternatives](https://cybersectools.com/alternatives/zscaler-ai-spm)

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Source: https://cybersectools.com/compare/trojai-defend-vs-zscaler-ai-spm

For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/trojai-defend.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on TrojAI Defend and Zscaler AI-SPM: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md