Independent security testing

Security testing for modern organisations

C7 Security helps you find and fix vulnerabilities before attackers do. We combine automated discovery with hands-on manual testing, mapped to the OWASP Top 10, and report findings in plain English you can act on.

OWASP Top 10 2025 aligned Automated + manual testing Clear, prioritised reporting
C7 Security brand mark
  • Company No. 17090691
  • ICO Registered
  • Fully Insured
  • Real-world attack scenarios

What we do

Testing across your whole attack surface

Focused engagements that mirror how real attackers operate, so the issues we surface are the ones that actually matter.

How we work

A clear, repeatable testing process

Scope

We agree clear objectives, boundaries and rules of engagement before any testing begins.

Test

Automated discovery is paired with manual testing to confirm real, exploitable issues rather than scanner noise.

Report

You receive a prioritised report with clear risk ratings, evidence and practical remediation guidance.

Retest

Once you've made fixes, we verify them so you can demonstrate the risk has genuinely been closed.

Who we help

Trusted across regulated and fast-moving sectors

  • SaaS companies
  • Financial services
  • Legal firms
  • Healthcare providers
  • Technology startups
  • E-commerce platforms

No cost, no obligation

Free OWASP Lite Assessment

Get a manual review of your web application against the OWASP Top 10 2025, summarised in a simple traffic-light report. It's a fast, low-friction way to see where you stand.

Ready to find your weak points first?

Tell us what you'd like tested and we'll recommend the right engagement.