# Source Defense How it works vs Tenable One Web App Scanning: side-by-side comparison (2026) [Source Defense How it works](https://cybersectools.com/tools/source-defense-how-it-works) is a commercial [runtime application Self-Protection](https://cybersectools.com/categories/rasp) solution by [Source Defense](https://cybersectools.com/companies/source-defense). [Tenable One Web App Scanning](https://cybersectools.com/tools/tenable-web-app-scanning) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [Tenable](https://cybersectools.com/companies/tenable). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [Tenable One Web App Scanning](https://cybersectools.com/tools/tenable-web-app-scanning) Best for: Teams already using Tenable for vulnerability scanning It belongs here because it adds web app testing to the Tenable products many teams already use for vulnerability scanning, so web findings sit next to the rest. It fits teams of any size already on Tenable One or Security Center. Its listed integrations are all Tenable products, so if you want a scan on every release, ask how it connects to your CI/CD pipeline and ticketing. From [Best DAST Solutions for Business](https://cybersectools.com/shortlists/best-dast-solutions), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). ## Side-by-side comparison | | Source Defense How it works | Tenable One Web App Scanning | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Runtime Application Self-Protection | Dynamic Application Security Testing | | Verified | No | No | | Deployment type | Cloud | Hybrid | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Source Defense | Tenable | | Headquarters | – | – | ### Use cases and capabilities | | Source Defense How it works | Tenable One Web App Scanning | |---|---|---| | Web Security | Yes | Yes | | Sandbox | Yes | – | | Browser Security | Yes | – | | CI/CD | – | Yes | | DAST | – | Yes | | OWASP | – | Yes | ### Core features **Source Defense How it works** 8 features listed. Sign in on the page to see them. **Tenable One Web App Scanning** 10 features listed. Sign in on the page to see them. ### Integrations **Source Defense How it works** No integrations listed. **Tenable One Web App Scanning** 7 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. - [Source Defense How it works](https://cybersectools.com/tools/source-defense-how-it-works) fits if you want a cloud product. - [Tenable One Web App Scanning](https://cybersectools.com/tools/tenable-web-app-scanning) fits if you need both cloud and on-premises options. ## Source Defense How it works vs Tenable One Web App Scanning FAQ Common questions when comparing Source Defense How it works vs Tenable One Web App Scanning for runtime application Self-Protection. ### What is the difference between Source Defense How it works and Tenable One Web App Scanning? **Source Defense How it works**: Client-side security for websites against 3rd party vendor attacks, built by Source Defense. **Tenable One Web App Scanning**: DAST solution for web apps and APIs with automated scanning capabilities, built by Tenable. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Source Defense How it works and Tenable One Web App Scanning? **Source Defense How it works** is made by Source Defense. **Tenable One Web App Scanning** is made by Tenable. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Source Defense How it works a good alternative to Tenable One Web App Scanning? In part. Source Defense How it works and Tenable One Web App Scanning are not in the same category on CybersecTools. Both cover Web Security. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Source Defense How it works vs c/side](https://cybersectools.com/compare/source-defense-how-it-works-vs-cside) - [Source Defense How it works vs Source Defense Platform](https://cybersectools.com/compare/source-defense-how-it-works-vs-source-defense-platform) - [Source Defense How it works vs Approov Runtime Application Self Protection](https://cybersectools.com/compare/approov-protect-connected-car-apps-vs-source-defense-how-it-works) - [Tenable One Web App Scanning vs c/side](https://cybersectools.com/compare/cside-vs-tenable-web-app-scanning) - [Tenable One Web App Scanning vs Source Defense Platform](https://cybersectools.com/compare/source-defense-platform-vs-tenable-web-app-scanning) - [Tenable One Web App Scanning vs Approov Runtime Application Self Protection](https://cybersectools.com/compare/approov-protect-connected-car-apps-vs-tenable-web-app-scanning) ## Alternatives to each - [See all Source Defense How it works alternatives](https://cybersectools.com/alternatives/source-defense-how-it-works) - [See all Tenable One Web App Scanning alternatives](https://cybersectools.com/alternatives/tenable-web-app-scanning) --- Source: https://cybersectools.com/compare/source-defense-how-it-works-vs-tenable-web-app-scanning For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/source-defense-how-it-works.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Source Defense How it works and Tenable One Web App Scanning: 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