# Acunetix Vulnerability Scanner vs Fortra BeSTORM: side-by-side comparison (2026)

[Acunetix Vulnerability Scanner](https://cybersectools.com/tools/acunetix-vulnerability-scanner) is a free [dynamic application security testing](https://cybersectools.com/categories/dast) solution. [Fortra BeSTORM](https://cybersectools.com/tools/fortra-bestorm) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [Fortra](https://cybersectools.com/companies/fortra). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best DAST Solutions for Business](https://cybersectools.com/shortlists/best-dast-solutions) picks PortSwigger Burp Suite DAST, Invicti DAST, Rapid7 InsightAppSec and 4 more.

## Side-by-side comparison

| | Acunetix Vulnerability Scanner | Fortra BeSTORM |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Dynamic Application Security Testing | Dynamic Application Security Testing |
| Verified | No | Verified |
| Deployment type | Hybrid | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | – | Fortra |
| Headquarters | – | – |

### Use cases and capabilities

| | Acunetix Vulnerability Scanner | Fortra BeSTORM |
|---|---|---|
| Web Security | Yes | – |
| DAST | – | Yes |
| Fuzzing | – | Yes |
| Black Box Testing | – | Yes |
| Protocol Analysis | – | Yes |
| Critical Infrastructure | – | Yes |

### Core features

**Acunetix Vulnerability Scanner**

No features listed.

**Fortra BeSTORM**

- Black box fuzzing without source code access
- Automated malformed input generation and injection
- Protocol and API security testing
- Vulnerability detection including buffer overflows and format string errors
- Support for a wide range of protocols and application interfaces
- Pre-release application security validation

## Which one fits you

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

- [Acunetix Vulnerability Scanner](https://cybersectools.com/tools/acunetix-vulnerability-scanner) fits if you are a small business and you need a free product.

## Acunetix Vulnerability Scanner vs Fortra BeSTORM FAQ

Common questions when comparing Acunetix Vulnerability Scanner vs Fortra BeSTORM for dynamic application security testing.

### What is the difference between Acunetix Vulnerability Scanner and Fortra BeSTORM?

**Acunetix Vulnerability Scanner**: A comprehensive web application security testing solution that offers built-in vulnerability assessment and management, as well as integration options with popular software development tools.

**Fortra BeSTORM**: Black box fuzzer and DAST product for application security testing. Built by Fortra. Core capabilities include Black box fuzzing without source code access, Automated malformed input generation and injection, Protocol and API security testing.

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

### Is Acunetix Vulnerability Scanner a good alternative to Fortra BeSTORM?

Often, yes. Acunetix Vulnerability Scanner and Fortra BeSTORM are both Dynamic Application Security Testing products. Key differences: Acunetix Vulnerability Scanner is Free while Fortra BeSTORM is Commercial. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Acunetix Vulnerability Scanner vs Rapid7 InsightAppSec](https://cybersectools.com/compare/acunetix-vulnerability-scanner-vs-rapid7-insightappsec)
- [Acunetix Vulnerability Scanner vs DerScanner Dynamic Application Security Testing (DAST)](https://cybersectools.com/compare/acunetix-vulnerability-scanner-vs-derscanner-dynamic-application-security-testing-dast)
- [Acunetix Vulnerability Scanner vs Greenbone Web App Scanning](https://cybersectools.com/compare/acunetix-vulnerability-scanner-vs-greenbone-web-app-scanning)
- [Fortra BeSTORM vs Rapid7 InsightAppSec](https://cybersectools.com/compare/fortra-bestorm-vs-rapid7-insightappsec)
- [Fortra BeSTORM vs DerScanner Dynamic Application Security Testing (DAST)](https://cybersectools.com/compare/derscanner-dynamic-application-security-testing-dast-vs-fortra-bestorm)
- [Fortra BeSTORM vs Greenbone Web App Scanning](https://cybersectools.com/compare/fortra-bestorm-vs-greenbone-web-app-scanning)

## Alternatives to each

- [See all Acunetix Vulnerability Scanner alternatives](https://cybersectools.com/alternatives/acunetix-vulnerability-scanner)
- [See all Fortra BeSTORM alternatives](https://cybersectools.com/alternatives/fortra-bestorm)

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Source: https://cybersectools.com/compare/acunetix-vulnerability-scanner-vs-fortra-bestorm

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

More on Acunetix Vulnerability Scanner and Fortra BeSTORM: 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