# Rapid7 InsightAppSec vs Source Defense How it works: side-by-side comparison (2026) [Rapid7 InsightAppSec](https://cybersectools.com/tools/rapid7-insightappsec) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [Rapid7](https://cybersectools.com/companies/rapid7). [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). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [Rapid7 InsightAppSec](https://cybersectools.com/tools/rapid7-insightappsec) Best for: Teams wanting quick setup and a clear dashboard It is on this list because Attack Replay lets developers check a finding and its fix themselves, which keeps security out of the middle of every ticket. It fits teams of any size that need compliance reports, and the on-premises engine helps if some apps sit on closed networks. It is built on Rapid7's Insight platform, so ask what you gain if you do not use that platform today. From [Best DAST Solutions for Business](https://cybersectools.com/shortlists/best-dast-solutions), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). 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 | | Rapid7 InsightAppSec | Source Defense How it works | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Dynamic Application Security Testing | Runtime Application Self-Protection | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Rapid7 | Source Defense | | Headquarters | – | – | ### Use cases and capabilities | | Rapid7 InsightAppSec | Source Defense How it works | |---|---|---| | Black Box Testing | Yes | – | | DAST | Yes | – | | Web Security | Yes | Yes | | Sandbox | – | Yes | | Browser Security | – | Yes | ### Core features **Rapid7 InsightAppSec** 8 features listed. Sign in on the page to see them. **Source Defense How it works** 8 features listed. Sign in on the page to see them. ### Integrations **Rapid7 InsightAppSec** 7 integrations listed. Sign in on the page to see them. **Source Defense How it works** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Rapid7 InsightAppSec](https://cybersectools.com/tools/rapid7-insightappsec) fits if you need both cloud and on-premises options. - [Source Defense How it works](https://cybersectools.com/tools/source-defense-how-it-works) fits if you want a cloud product. ## Rapid7 InsightAppSec vs Source Defense How it works FAQ Common questions when comparing Rapid7 InsightAppSec vs Source Defense How it works for dynamic application security testing. ### What is the difference between Rapid7 InsightAppSec and Source Defense How it works? **Rapid7 InsightAppSec**: DAST product for automated web app and API vulnerability scanning and testing. Built by Rapid7. **Source Defense How it works**: Client-side security for websites against 3rd party vendor attacks. Built by Source Defense. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Rapid7 InsightAppSec and Source Defense How it works? **Rapid7 InsightAppSec** is made by Rapid7. **Source Defense How it works** is made by Source Defense. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Rapid7 InsightAppSec a good alternative to Source Defense How it works? In part. Rapid7 InsightAppSec and Source Defense How it works 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 - [Rapid7 InsightAppSec vs Greenbone Web App Scanning](https://cybersectools.com/compare/greenbone-web-app-scanning-vs-rapid7-insightappsec) - [Rapid7 InsightAppSec vs Halo Security Application Scanning](https://cybersectools.com/compare/halo-security-application-scanning-vs-rapid7-insightappsec) - [Rapid7 InsightAppSec vs Tenable One Web App Scanning](https://cybersectools.com/compare/rapid7-insightappsec-vs-tenable-web-app-scanning) - [Source Defense How it works vs Greenbone Web App Scanning](https://cybersectools.com/compare/greenbone-web-app-scanning-vs-source-defense-how-it-works) - [Source Defense How it works vs Halo Security Application Scanning](https://cybersectools.com/compare/halo-security-application-scanning-vs-source-defense-how-it-works) - [Source Defense How it works vs Tenable One Web App Scanning](https://cybersectools.com/compare/source-defense-how-it-works-vs-tenable-web-app-scanning) ## Alternatives to each - [See all Rapid7 InsightAppSec alternatives](https://cybersectools.com/alternatives/rapid7-insightappsec) - [See all Source Defense How it works alternatives](https://cybersectools.com/alternatives/source-defense-how-it-works) --- Source: https://cybersectools.com/compare/rapid7-insightappsec-vs-source-defense-how-it-works For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/rapid7-insightappsec.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Rapid7 InsightAppSec and Source Defense How it works: 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