# Agent Breach vs o365-attack-toolkit: side-by-side comparison (2026)

[Agent Breach](https://cybersectools.com/tools/agent-breach) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [Agent Breach](https://cybersectools.com/companies/agent-breach). [o365-attack-toolkit](https://cybersectools.com/tools/o365-attack-toolkit) is a free [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Agent Breach | o365-attack-toolkit |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Penetration Testing | Penetration Testing |
| Verified | No | No |
| Deployment type | – | On-Premises |
| Company size fit | – | Mid-Market, Enterprise |
| GitHub stars | – | 1,116 |
| Last commit | – | Nov 2020 |
| Company | Agent Breach | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Agent Breach | o365-attack-toolkit |
|---|---|---|
| AI Pentesting | Yes | – |
| Continuous Testing | Yes | – |
| Web Security | Yes | – |
| REST API | Yes | – |
| GraphQL | Yes | – |
| Proof of Concept | Yes | – |
| Security Reporting | Yes | – |
| OWASP | Yes | – |
| Validation | Yes | – |
| CI/CD | Yes | – |
| Password Spraying | – | Yes |
| Enumeration | – | Yes |
| Reconnaissance | – | Yes |
| Password Cracking | – | Yes |

### Core features

**Agent Breach**

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

**o365-attack-toolkit**

No features listed.

### Integrations

**Agent Breach**

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

**o365-attack-toolkit**

No integrations listed.

## Which one fits you

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

- [o365-attack-toolkit](https://cybersectools.com/tools/o365-attack-toolkit) fits if you need a free product and you want an open-source product.

## Agent Breach vs o365-attack-toolkit FAQ

Common questions when comparing Agent Breach vs o365-attack-toolkit for penetration testing.

### What is the difference between Agent Breach and o365-attack-toolkit?

**Agent Breach**: AI-driven web and API pentesting with recorded evidence, reports, and retests. Built by Agent Breach.

**o365-attack-toolkit**: A toolkit to attack Office365, including tools for password spraying, password cracking, token manipulation, and exploiting vulnerabilities in Office365 APIs and services.

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

### Who makes Agent Breach and o365-attack-toolkit?

**Agent Breach** is made by Agent Breach. **o365-attack-toolkit** is open-source with 1,116 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Agent Breach a good alternative to o365-attack-toolkit?

Often, yes. Agent Breach and o365-attack-toolkit are both Penetration Testing products. Key differences: Agent Breach is Commercial while o365-attack-toolkit is Free, o365-attack-toolkit is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Agent Breach vs Aleex AI Rank](https://cybersectools.com/compare/agent-breach-vs-aleex-ai-rank)
- [Agent Breach vs Nebula by BreachLine Labs](https://cybersectools.com/compare/agent-breach-vs-breachline-nebula)
- [Agent Breach vs ZeroThreat.ai](https://cybersectools.com/compare/agent-breach-vs-zerothreatai)
- [o365-attack-toolkit vs Aleex AI Rank](https://cybersectools.com/compare/aleex-ai-rank-vs-o365-attack-toolkit)
- [o365-attack-toolkit vs Nebula by BreachLine Labs](https://cybersectools.com/compare/breachline-nebula-vs-o365-attack-toolkit)
- [o365-attack-toolkit vs ZeroThreat.ai](https://cybersectools.com/compare/o365-attack-toolkit-vs-zerothreatai)

## Alternatives to each

- [See all Agent Breach alternatives](https://cybersectools.com/alternatives/agent-breach)
- [See all o365-attack-toolkit alternatives](https://cybersectools.com/alternatives/o365-attack-toolkit)

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Source: https://cybersectools.com/compare/agent-breach-vs-o365-attack-toolkit

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

More on Agent Breach and o365-attack-toolkit: 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