# First Recon AI Firewall vs TrojAI Defend: side-by-side comparison (2026)

[First Recon AI Firewall](https://cybersectools.com/tools/first-recon-ai-firewall) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [First Recon AI](https://cybersectools.com/companies/first-recon-ai). [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). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

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

### Use cases and capabilities

| | First Recon AI Firewall | TrojAI Defend |
|---|---|---|
| AI Firewall | Yes | Yes |
| LLM Guardrails | Yes | – |
| Prompt Injection | Yes | – |
| LLM Security | Yes | – |
| AI Observability | Yes | – |
| Data Exfiltration | Yes | – |
| GenAI Security | Yes | – |
| Content Filtering | Yes | Yes |
| Agentic AI Security | Yes | – |
| Policy | Yes | – |
| Browser Security | – | Yes |

### Core features

**First Recon AI Firewall**

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

**TrojAI Defend**

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

### Integrations

**First Recon AI Firewall**

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

**TrojAI Defend**

2 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.

- [First Recon AI Firewall](https://cybersectools.com/tools/first-recon-ai-firewall) fits if you need both cloud and on-premises options.
- [TrojAI Defend](https://cybersectools.com/tools/trojai-defend) fits if you want a cloud product.

## First Recon AI Firewall vs TrojAI Defend FAQ

Common questions when comparing First Recon AI Firewall vs TrojAI Defend for LLM guardrails.

### What is the difference between First Recon AI Firewall and TrojAI Defend?

**First Recon AI Firewall**: Inline firewall inspecting AI prompts/responses for injections & policy violations. Built by First Recon AI.

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

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

### Who makes First Recon AI Firewall and TrojAI Defend?

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

### Is First Recon AI Firewall a good alternative to TrojAI Defend?

Often, yes. First Recon AI Firewall and TrojAI Defend are both LLM Guardrails products, and both cover Content Filtering, AI Firewall. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [First Recon AI Firewall vs Airia AI Platform Guardrails](https://cybersectools.com/compare/airia-ai-platform-guardrails-vs-first-recon-ai-firewall)
- [First Recon AI Firewall vs ThirdLaw AI Control Layer](https://cybersectools.com/compare/first-recon-ai-firewall-vs-thirdlaw-ai-control-layer)
- [First Recon AI Firewall vs Confident Security](https://cybersectools.com/compare/confident-security-vs-first-recon-ai-firewall)
- [TrojAI Defend vs Airia AI Platform Guardrails](https://cybersectools.com/compare/airia-ai-platform-guardrails-vs-trojai-defend)
- [TrojAI Defend vs ThirdLaw AI Control Layer](https://cybersectools.com/compare/thirdlaw-ai-control-layer-vs-trojai-defend)
- [TrojAI Defend vs Confident Security](https://cybersectools.com/compare/confident-security-vs-trojai-defend)

## Alternatives to each

- [See all First Recon AI Firewall alternatives](https://cybersectools.com/alternatives/first-recon-ai-firewall)
- [See all TrojAI Defend alternatives](https://cybersectools.com/alternatives/trojai-defend)

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Source: https://cybersectools.com/compare/first-recon-ai-firewall-vs-trojai-defend

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/first-recon-ai-firewall.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on First Recon AI Firewall and TrojAI Defend: 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