# Fortra BeSTORM vs VulnSign Dynamic Application Security Testing: side-by-side comparison (2026) [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). [VulnSign Dynamic Application Security Testing](https://cybersectools.com/tools/vulnsign-dynamic-application-security-testing) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [VulnSign](https://cybersectools.com/companies/vulnsign). 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 | | Fortra BeSTORM | VulnSign Dynamic Application Security Testing | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Dynamic Application Security Testing | Dynamic Application Security Testing | | Verified | Verified | No | | Deployment type | Hybrid | Cloud | | Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Fortra | VulnSign | | Headquarters | – | – | ### Use cases and capabilities | | Fortra BeSTORM | VulnSign Dynamic Application Security Testing | |---|---|---| | DAST | Yes | Yes | | Fuzzing | Yes | – | | Black Box Testing | Yes | – | | Protocol Analysis | Yes | – | | Critical Infrastructure | Yes | – | | CI/CD | – | Yes | | OWASP | – | Yes | | SQL Injection | – | Yes | | Web Security | – | Yes | | XSS | – | Yes | ### Core features **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 **VulnSign Dynamic Application Security Testing** 10 features listed. Sign in on the page to see them. ### Integrations **Fortra BeSTORM** No integrations listed. **VulnSign Dynamic Application Security Testing** 9 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. - [Fortra BeSTORM](https://cybersectools.com/tools/fortra-bestorm) fits if you need both cloud and on-premises options. - [VulnSign Dynamic Application Security Testing](https://cybersectools.com/tools/vulnsign-dynamic-application-security-testing) fits if you want a cloud product and you are a small business. ## Fortra BeSTORM vs VulnSign Dynamic Application Security Testing FAQ Common questions when comparing Fortra BeSTORM vs VulnSign Dynamic Application Security Testing for dynamic application security testing. ### What is the difference between Fortra BeSTORM and VulnSign Dynamic Application Security Testing? **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. **VulnSign Dynamic Application Security Testing**: DAST tool for scanning web apps, microservices, and APIs for vulnerabilities. Built by VulnSign. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Fortra BeSTORM and VulnSign Dynamic Application Security Testing? **Fortra BeSTORM** is made by Fortra. **VulnSign Dynamic Application Security Testing** is made by VulnSign. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Fortra BeSTORM a good alternative to VulnSign Dynamic Application Security Testing? Often, yes. Fortra BeSTORM and VulnSign Dynamic Application Security Testing are both Dynamic Application Security Testing products, and both cover DAST. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Fortra BeSTORM vs Halo Security Application Scanning](https://cybersectools.com/compare/fortra-bestorm-vs-halo-security-application-scanning) - [Fortra BeSTORM vs Acunetix Web Application & API Security](https://cybersectools.com/compare/fortra-bestorm-vs-acunetix-web-application-and-api-security) - [Fortra BeSTORM vs Tenable One Web App Scanning](https://cybersectools.com/compare/fortra-bestorm-vs-tenable-web-app-scanning) - [VulnSign Dynamic Application Security Testing vs Halo Security Application Scanning](https://cybersectools.com/compare/halo-security-application-scanning-vs-vulnsign-dynamic-application-security-testing) - [VulnSign Dynamic Application Security Testing vs Acunetix Web Application & API Security](https://cybersectools.com/compare/acunetix-web-application-and-api-security-vs-vulnsign-dynamic-application-security-testing) - [VulnSign Dynamic Application Security Testing vs Tenable One Web App Scanning](https://cybersectools.com/compare/tenable-web-app-scanning-vs-vulnsign-dynamic-application-security-testing) ## Alternatives to each - [See all Fortra BeSTORM alternatives](https://cybersectools.com/alternatives/fortra-bestorm) - [See all VulnSign Dynamic Application Security Testing alternatives](https://cybersectools.com/alternatives/vulnsign-dynamic-application-security-testing) --- Source: https://cybersectools.com/compare/fortra-bestorm-vs-vulnsign-dynamic-application-security-testing For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/fortra-bestorm.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Fortra BeSTORM and VulnSign Dynamic Application Security Testing: 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