# Start Left® Security DAST alternatives and competitors (2026) The closest Start Left® Security DAST alternatives are [Fortra BeSTORM](https://cybersectools.com/tools/fortra-bestorm), [Cobalt DAST](https://cybersectools.com/tools/cobalt-dast) and [StackHawk](https://cybersectools.com/tools/stackhawk-stackhawk). Picking a Start Left® Security DAST alternative comes down to fit: Dynamic Application Security Testing coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it. 40 alternatives. Closest matches: Fortra BeSTORM, Cobalt DAST, StackHawk. ## The product [Start Left® Security DAST](https://cybersectools.com/tools/start-leftr-security-dast) by Start Left® Security DAST tool that tests running apps for runtime vulnerabilities via attack simulation. Category: [Application Security](https://cybersectools.com/categories/application-security) · Pricing model: Commercial 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. ## Start Left® Security DAST alternatives and competitors Start Left® Security DAST is a commercial [Dynamic Application Security Testing](https://cybersectools.com/categories/dast) solution made by Start Left® Security. The closest matches by shared tags and NIST CSF 2.0 coverage are [Fortra BeSTORM](https://cybersectools.com/tools/fortra-bestorm), [Cobalt DAST](https://cybersectools.com/tools/cobalt-dast), [StackHawk](https://cybersectools.com/tools/stackhawk-stackhawk), [Mend DAST](https://cybersectools.com/tools/mend-dast), and [Bright Security Dynamic Application Security Testing](https://cybersectools.com/tools/bright-security-dynamic-application-security-testing). All 40 alternatives on this page are ranked the same way. ## The closest Start Left® Security DAST alternatives These 8 solutions overlap most with Start Left® Security DAST. Each one says what the product does and, when the overlap is big enough, which capabilities it shares. ### 1. [Fortra BeSTORM](https://cybersectools.com/tools/fortra-bestorm) (Featured) Black box fuzzer and DAST product for application security testing [Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial Key features: 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 [Fortra BeSTORM alternatives](https://cybersectools.com/alternatives/fortra-bestorm) · [Start Left® Security DAST vs Fortra BeSTORM](https://cybersectools.com/compare/fortra-bestorm-vs-start-leftr-security-dast) ### 2. [Cobalt DAST](https://cybersectools.com/tools/cobalt-dast) Automated DAST tool for continuous web app and API vulnerability scanning. [Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial Key features: 8 listed. See them on the [Cobalt DAST page](https://cybersectools.com/tools/cobalt-dast#features). Shares 4 capabilities with Start Left® Security DAST: DevSecOps, App Security, Continuous Testing, DAST [Cobalt DAST alternatives](https://cybersectools.com/alternatives/cobalt-dast) · [Start Left® Security DAST vs Cobalt DAST](https://cybersectools.com/compare/cobalt-dast-vs-start-leftr-security-dast) ### 3. [StackHawk](https://cybersectools.com/tools/stackhawk-stackhawk) AppSec platform with API discovery, CI/CD-native DAST, and risk oversight [Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial Key features: 10 listed. See them on the [StackHawk page](https://cybersectools.com/tools/stackhawk-stackhawk#features). Shares 3 capabilities with Start Left® Security DAST: DevSecOps, DAST, CI/CD [StackHawk alternatives](https://cybersectools.com/alternatives/stackhawk-stackhawk) · [Start Left® Security DAST vs StackHawk](https://cybersectools.com/compare/stackhawk-stackhawk-vs-start-leftr-security-dast) ### 4. [Mend DAST](https://cybersectools.com/tools/mend-dast) Dynamic application security testing tool for runtime vulnerability detection [Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial Key features: 5 listed. See them on the [Mend DAST page](https://cybersectools.com/tools/mend-dast#features). Shares 3 capabilities with Start Left® Security DAST: DevSecOps, DAST, CI/CD [Mend DAST alternatives](https://cybersectools.com/alternatives/mend-dast) · [Start Left® Security DAST vs Mend DAST](https://cybersectools.com/compare/mend-dast-vs-start-leftr-security-dast) ### 5. [Bright Security Dynamic Application Security Testing](https://cybersectools.com/tools/bright-security-dynamic-application-security-testing) Enterprise DAST platform for web apps, APIs, business logic, and LLM security [Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial Key features: 10 listed. See them on the [Bright Security Dynamic Application Security Testing page](https://cybersectools.com/tools/bright-security-dynamic-application-security-testing#features). Shares 3 capabilities with Start Left® Security DAST: DevSecOps, DAST, CI/CD [Bright Security Dynamic Application Security Testing alternatives](https://cybersectools.com/alternatives/bright-security-dynamic-application-security-testing) · [Start Left® Security DAST vs Bright Security Dynamic Application Security Testing](https://cybersectools.com/compare/bright-security-dynamic-application-security-testing-vs-start-leftr-security-dast) ### 6. [NightVision Platform](https://cybersectools.com/tools/nightvision-platform) DAST platform for scanning web apps & APIs within CI/CD pipelines. [Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial Key features: 7 listed. See them on the [NightVision Platform page](https://cybersectools.com/tools/nightvision-platform#features). Shares 3 capabilities with Start Left® Security DAST: DevSecOps, DAST, CI/CD [NightVision Platform alternatives](https://cybersectools.com/alternatives/nightvision-platform) · [Start Left® Security DAST vs NightVision Platform](https://cybersectools.com/compare/nightvision-platform-vs-start-leftr-security-dast) ### 7. [DefendLab Runtime Validation](https://cybersectools.com/tools/defendlab-runtime-validation) Source-aware AI pentest platform combining code analysis with runtime exploit validation. [Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial Key features: 10 listed. See them on the [DefendLab Runtime Validation page](https://cybersectools.com/tools/defendlab-runtime-validation#features). Shares 3 capabilities with Start Left® Security DAST: DevSecOps, DAST, CI/CD [DefendLab Runtime Validation alternatives](https://cybersectools.com/alternatives/defendlab-runtime-validation) · [Start Left® Security DAST vs DefendLab Runtime Validation](https://cybersectools.com/compare/defendlab-runtime-validation-vs-start-leftr-security-dast) ### 8. [Astra Security DAST Scanner](https://cybersectools.com/tools/astra-security-dast-scanner) DAST scanner for web apps & APIs with CI/CD integration & 15k+ test cases. [Dynamic Application Security Testing](https://cybersectools.com/categories/dast) · Commercial Key features: 10 listed. See them on the [Astra Security DAST Scanner page](https://cybersectools.com/tools/astra-security-dast-scanner#features). Shares 3 capabilities with Start Left® Security DAST: DevSecOps, DAST, CI/CD [Astra Security DAST Scanner alternatives](https://cybersectools.com/alternatives/astra-security-dast-scanner) · [Start Left® Security DAST vs Astra Security DAST Scanner](https://cybersectools.com/compare/astra-security-dast-scanner-vs-start-leftr-security-dast) ## All 40 products like Start Left® Security DAST The 8 above, plus: - [SOOS DAST](https://cybersectools.com/tools/soos-dast): CI/CD-integrated DAST tool for automated web app and API vuln scanning. (Commercial) - [Websecurify](https://cybersectools.com/tools/websecurify): Suite of web security tools, platforms, and open-source frameworks. (Commercial) - [Tenable One Web App Scanning](https://cybersectools.com/tools/tenable-web-app-scanning): DAST solution for web apps and APIs with automated scanning capabilities (Commercial) - [PortSwigger Burp Suite DAST](https://cybersectools.com/tools/burp-suite-enterprise-edition): An enterprise-scale dynamic application security testing (DAST) platform that provides automated vulnerability scanning and security assessment for web applications. (Commercial) - [ImmuniWeb® Neuron](https://cybersectools.com/tools/immuniwebr-neuron): AI-enhanced web app vulnerability scanner with zero false-positive SLA (Commercial) - [Checkmarx One DAST](https://cybersectools.com/tools/checkmarx-one-dast): Enterprise DAST solution for runtime app and API security testing (Commercial) - [Siemba GenPT](https://cybersectools.com/tools/siemba-genpt): AI-driven DAST tool for automated vulnerability testing of web applications (Commercial) - [Escape DAST](https://cybersectools.com/tools/escape-dast): AI-powered DAST tool for business logic security testing of web apps and APIs (Commercial) - [Wallarm API Security Testing](https://cybersectools.com/tools/wallarm-api-security-testing): Automated API security testing tool integrated into CI/CD pipelines (Commercial) - [Invicti DAST](https://cybersectools.com/tools/invicti-dast): DAST scanner with proof-based vulnerability validation and CI/CD integration (Commercial) - [Acunetix Web Application & API Security](https://cybersectools.com/tools/acunetix-web-application-and-api-security): DAST scanner for web apps & APIs with automated vuln detection & remediation (Commercial) - [MindFort](https://cybersectools.com/tools/mindfort): AI-powered platform for continuous automated penetration testing of web apps (Commercial) - [Mayhem Code Security](https://cybersectools.com/tools/mayhem-code-security): AI-driven automated security testing using fuzzing and symbolic execution (Commercial) - [Haicker](https://cybersectools.com/tools/haicker): Continuous automated pentesting platform with GitHub integration and AI agents (Commercial) - [Guardian360 Lighthouse](https://cybersectools.com/tools/guardian360-lighthouse): Web app security platform for vulnerability scanning & secure dev. (Commercial) - [Probely (Snyk API & Web)](https://cybersectools.com/tools/probely-snyk-api-and-web): DAST scanner for discovering and testing APIs and web apps for vulns. (Commercial) - [Redpoint Security Surveyor](https://cybersectools.com/tools/redpoint-security-surveyor) (Commercial) - [VulnSign Dynamic Application Security Testing](https://cybersectools.com/tools/vulnsign-dynamic-application-security-testing): DAST tool for scanning web apps, microservices, and APIs for vulnerabilities (Commercial) - [Indusface WAS - Website Vulnerability Scanner](https://cybersectools.com/tools/indusface-was-website-vulnerability-scanner): AI-powered DAST scanner for web app vulnerability detection with zero false positives (Commercial) - [Fluid Attacks Dynamic Application Security Testing (DAST)](https://cybersectools.com/tools/fluid-attacks-dynamic-application-security-testing-dast): DAST tool for continuous automated security testing of web and mobile apps (Commercial) - [Snyk API & Web](https://cybersectools.com/tools/snyk-api-and-web): DAST scanner for APIs and web apps with AI-powered testing and low FP rate (Commercial) - [Secure Blink ThreatSpy](https://cybersectools.com/tools/secure-blink-threatspy): DAST platform for web app & API vulnerability scanning with AI-enabled features (Commercial) - [Qualys TotalAppSec](https://cybersectools.com/tools/qualys-totalappsec): Cloud-based DAST solution for web app & API security with AI-powered scanning (Commercial) - [Rapid7 InsightAppSec](https://cybersectools.com/tools/rapid7-insightappsec): DAST product for automated web app and API vulnerability scanning and testing (Commercial) - [Greenbone Web App Scanning](https://cybersectools.com/tools/greenbone-web-app-scanning): Managed web app security scanning service covering OWASP Top 10 vulnerabilities (Commercial) - [Aikido DAST Scanner](https://cybersectools.com/tools/aikido-dast-scanner): DAST scanner that identifies web app vulnerabilities and attack surfaces (Commercial) - [ZeroThreat Intelligent Vulnerability Scanner](https://cybersectools.com/tools/zerothreat-intelligent-vulnerability-scanner): AI-powered vulnerability scanner for web apps and APIs (Commercial) - [DerScanner Dynamic Application Security Testing (DAST)](https://cybersectools.com/tools/derscanner-dynamic-application-security-testing-dast): DAST tool that scans live web apps to detect vulnerabilities in real-time (Commercial) - [AppCheck DAST Tool](https://cybersectools.com/tools/appcheck-dast-tool): DAST tool for automated web app and API vulnerability scanning (Commercial) - [Halo Security Application Scanning](https://cybersectools.com/tools/halo-security-application-scanning): DAST tool for detecting web app vulnerabilities like SQL injection and XSS (Commercial) - [Intruder Web Application Scanning](https://cybersectools.com/tools/intruder-web-application-scanning): DAST tool for scanning web apps and APIs for OWASP Top 10 vulnerabilities (Commercial) - [Edgescan Managed Application Security Testing](https://cybersectools.com/tools/edgescan-managed-application-security-testing): Managed application security testing service for web applications (Commercial) ## Alternatives to each of these [Fortra BeSTORM alternatives](https://cybersectools.com/alternatives/fortra-bestorm) · [Cobalt DAST alternatives](https://cybersectools.com/alternatives/cobalt-dast) · [StackHawk alternatives](https://cybersectools.com/alternatives/stackhawk-stackhawk) · [Mend DAST alternatives](https://cybersectools.com/alternatives/mend-dast) · [Bright Security Dynamic Application Security Testing alternatives](https://cybersectools.com/alternatives/bright-security-dynamic-application-security-testing) · [NightVision Platform alternatives](https://cybersectools.com/alternatives/nightvision-platform) · [DefendLab Runtime Validation alternatives](https://cybersectools.com/alternatives/defendlab-runtime-validation) · [Astra Security DAST Scanner alternatives](https://cybersectools.com/alternatives/astra-security-dast-scanner) · [SOOS DAST alternatives](https://cybersectools.com/alternatives/soos-dast) · [Websecurify alternatives](https://cybersectools.com/alternatives/websecurify) · [Tenable One Web App Scanning alternatives](https://cybersectools.com/alternatives/tenable-web-app-scanning) · [PortSwigger Burp Suite DAST alternatives](https://cybersectools.com/alternatives/burp-suite-enterprise-edition) ## Other Start Left® Security products [Start Left® IaC Security alternatives](https://cybersectools.com/alternatives/start-leftr-iac-security) · [Start Left® SBDE alternatives](https://cybersectools.com/alternatives/start-leftr-sbde) · [Start Left® SPACE Behavioral Analytics Engine alternatives](https://cybersectools.com/alternatives/start-leftr-space-behavioral-analytics-engine) · [Start Left® Security - Integrated CSPM alternatives](https://cybersectools.com/alternatives/start-leftr-security-integrated-cspm) · [Start Left® Security - Product-Centric VM alternatives](https://cybersectools.com/alternatives/start-leftr-security-product-centric-vm) · [Start Left™ Asset Discovery, Inventory & Risk Mgmt alternatives](https://cybersectools.com/alternatives/start-lefttm-asset-discovery-inventory-and-risk-mgmt) · [Start Left™ SaaS Security Mgmt Platform alternatives](https://cybersectools.com/alternatives/start-lefttm-saas-security-mgmt-platform) ## Compare Start Left® Security DAST with - [Start Left® Security DAST vs Fortra BeSTORM](https://cybersectools.com/compare/fortra-bestorm-vs-start-leftr-security-dast) - [Start Left® Security DAST vs Cobalt DAST](https://cybersectools.com/compare/cobalt-dast-vs-start-leftr-security-dast) - [Start Left® Security DAST vs StackHawk](https://cybersectools.com/compare/stackhawk-stackhawk-vs-start-leftr-security-dast) - [Start Left® Security DAST vs Mend DAST](https://cybersectools.com/compare/mend-dast-vs-start-leftr-security-dast) - [Start Left® Security DAST vs Bright Security Dynamic Application Security Testing](https://cybersectools.com/compare/bright-security-dynamic-application-security-testing-vs-start-leftr-security-dast) - [Start Left® Security DAST vs NightVision Platform](https://cybersectools.com/compare/nightvision-platform-vs-start-leftr-security-dast) - [Start Left® Security DAST vs DefendLab Runtime Validation](https://cybersectools.com/compare/defendlab-runtime-validation-vs-start-leftr-security-dast) - [Start Left® Security DAST vs Astra Security DAST Scanner](https://cybersectools.com/compare/astra-security-dast-scanner-vs-start-leftr-security-dast) ## Start Left® Security DAST Alternatives FAQ ### What are the closest alternatives to Start Left® Security DAST? The closest matches to Start Left® Security DAST by shared tags and NIST CSF 2.0 coverage are Fortra BeSTORM, Cobalt DAST, StackHawk, Mend DAST, and Bright Security Dynamic Application Security Testing. All of them are Dynamic Application Security Testing products. ### How many alternatives to Start Left® Security DAST are available? This page shows 40 alternatives to Start Left® Security DAST, all in the Dynamic Application Security Testing category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first. ### Is Start Left® Security DAST free or commercial? Start Left® Security DAST is a commercial Dynamic Application Security Testing product. It needs a paid license or subscription. Only commercial alternatives are listed here. Free and open source products are under /free. ### What type of solution is Start Left® Security DAST? Start Left® Security DAST is a Dynamic Application Security Testing product in the Application Security category. You can compare it with the 40 other Dynamic Application Security Testing products on this page. --- Source: https://cybersectools.com/alternatives/start-leftr-security-dast For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any product or compare page has a Markdown copy too (add .md to its URL). More on Start Left® Security DAST and its alternatives: 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=alternatives-md