Cylvern CTF is still a work in progress. Please bare with us for now.

Professional Security
Services

We help organisations identify vulnerabilities before attackers do — through expert penetration testing, red team exercises, and security consultancy.

What We Do

Penetration Testing

Comprehensive black/grey/white-box tests against your web applications, internal networks, APIs and cloud infrastructure.

Vulnerability Assessment

Systematic scanning and manual review to identify, classify and prioritise security weaknesses across your attack surface.

Red Team Exercises

Realistic adversary simulation — test your detection and response capabilities against multi-stage attack chains.

Incident Response

Rapid-response investigation and containment when a breach occurs, with post-incident reporting and remediation roadmap.

Security Compliance

Gap analysis and advisory for ISO 27001, SOC 2, GDPR, PCI-DSS and NIST frameworks.

Security Training

Customised workshops and awareness programmes for technical teams and executive stakeholders.

Why choose Cylvern

Practitioner-Led

Every engagement is led by hands-on security professionals — not automated tool output alone.

Actionable Reports

Clear, risk-rated findings with step-by-step remediation guidance understandable to both technical and non-technical stakeholders.

Retest Included

We retest all critical findings after remediation at no extra cost so you know the fix actually works.

Confidential by Design

All engagements operate under strict NDAs. Your data and findings are never shared.

Get in Touch

Tell us about your project and we'll get back to you within one business day.