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Web application penetration testing

A free penetration test for your website or web app

We look for the weaknesses attackers actually use — and explain them in plain English, with clear steps to fix them. Scoped, authorised and confidential.

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£0 · no payment details · no obligation

What we look for

  • Broken access control — seeing or changing data that belongs to someone else
  • Injection flaws such as SQL injection and cross-site scripting (XSS)
  • Weak login, password reset and session handling
  • Exposed admin pages, files, backups or debug information
  • Missing or misconfigured security headers and HTTPS settings
  • Outdated software and components with known vulnerabilities
  • API endpoints that trust the browser too much

Who it’s for

UK businesses with a public website, online shop, customer portal or SaaS product — especially if you’ve never had a security assessment, have recently launched or changed something significant, or are being asked about security by customers or insurers.

What you receive

  • A confidential report shared through your secure portal — never emailed as an attachment
  • Each finding rated by severity, with evidence and a plain-English explanation
  • Practical guidance on how to fix each issue

Safe and authorised by design

We only test websites you’ve proved you own, using a DNS TXT record or a verification file. Testing starts only after we’ve agreed the scope, exclusions and testing window and you’ve given written authorisation.

Common questions

Ready to get started?

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Also see: AI chatbot testing · Web app testing · Full penetration test · Guides