Web Application and API Security Testing Platform

Automate dynamic security testing of your web applications and APIs, and go deeper with agentic penetration testing through the Agentic Deep Scan.

Crawl thoroughly to ensure a comprehensive web application security testing

Enable full coverage with Advanced Crawling

Test the entry points of your web application across technologies and frameworks. Ostorlab crawls your application with session-aware navigation, then tests what it reaches, giving you a clear picture of your web app's security posture.

Fully automate the security testing for web applications
Enable Seamless Integrations with your web application security platform

Integrate security testing for web applications seamlessly into your development processes with CI/CD, ticketing integrations, and SSO with 2FA. Streamline your workflows and ensure security is always a top priority.

Jira
Jenkins
Gitlab
GitHub
Azure Devops
Customize effortlessly the UI interactions using your web application security platform
Cover complex authentication flows with builtin Chrome Recorder

Automate complex authentication with Puppeteer scripts recorded in Chrome's built-in Recorder, and complete two-factor steps (SMS, email or TOTP one-time codes) once your test account is set up. The same authenticated testing is available for mobile apps.

Open Web Application Security Project
National Institute of Standards and Technology
Internet of Secure Things
Comply Effortlessly
Demonstrate your Compliance

Compliance with standards such as the OWASP Top 10, PCI DSS, HIPAA or GDPR is crucial for building customer trust. Ostorlab helps you demonstrate compliance by identifying vulnerabilities and prioritizing them by severity, so you can show your applications meet the required security standards.

Test extensively the security posture of web applications
Benefit from advanced vulnerability detection

Ostorlab combines detection techniques such as Chrome-based XSS testing with polyglot payloads, probabilistic backend injection testing that avoids sending full payloads, and checks for actively exploited vulnerabilities from the CISA KEV catalog.

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Conduct thorough analysis to push the boundaries of your web security testing
Rely on your web vulnerability scanner with confidence, but always verify its coverage for complete assurance

Gain visibility into intercepted traffic, discovered endpoints and crawl coverage. With Ostorlab, you can see what attackers see and save hours of tool runs and output grouping.

Guidance for your team

Remediation guidance written for your app

Ostorlab turns a scan into a prioritized plan: what to fix first, why it matters and how to fix it, using the context you add about your app.

Scan > AI recommendations
Add context

Before you start

What to expect from web app and API scanning

No mobile app needed. Scan web apps and APIs on their own, from a URL, a domain or an API schema.

What you get

  • Findings identified and prioritized by severity.
  • PDF reports: a full technical report, an executive summary, or findings mapped to compliance standards.
  • With the Web Agentic Deep Scan, findings validated with a proof-of-concept exploit.

What you need

  • The URLs or domains to scan, one per line for several targets. For APIs, the endpoint and ideally an OpenAPI, GraphQL or WSDL schema.
  • For logged-in areas, test credentials: a login and password, or a Puppeteer script recorded with Chrome's Recorder. One-time codes need a short setup: an SMS test number, a test mailbox or the TOTP seed.
  • For internal apps, allowlisted scanning IPs, a reverse proxy or an on-premises scanner.

What it covers

  • Crawling and dynamic testing of web apps, including XSS, backend injection and actively exploited vulnerabilities from the CISA KEV catalog.
  • REST/OpenAPI, GraphQL and SOAP/WSDL APIs.

What it doesn't cover

  • The Full Web Scan detects business-logic flaws with basic heuristics only. Business-logic testing, attack chaining and proof-of-concept exploits come with the Web Agentic Deep Scan.
  • Logged-in areas are tested with the test credentials you provide.

What security teams say about Ostorlab

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4.8/5

Read the reviews
Very efficient team, the support engineers are very good and knowledgeable. The product is always evolving and they take customer input very seriously.
Senior Appsec Engineer - Banking

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Trusted by banks, fintechs and security teams

Security teams use Ostorlab's AI agents to test every release of their mobile apps, and developers get findings with a working exploit and a fix they can act on.