Expert Penetration Testing & Ethical Hacking Services UK
Discover your vulnerabilities before attackers do. CryptCyber's certified ethical hackers conduct rigorous, CREST-aligned penetration tests across your web applications, networks, cloud environments, and physical infrastructure — delivering actionable intelligence to harden your cyber defences.
Trusted by UK businesses from Essex to Glasgow, our pen testing services are used by financial institutions, NHS trusts, law firms, and FTSE 250 enterprises to meet regulatory requirements including ISO 27001, PCI DSS, GDPR, and Cyber Essentials Plus.
Comprehensive Ethical Hacking Services
CREST-aligned penetration testing methodologies covering your entire attack surface — from web apps to cloud infrastructure.
Web Application Penetration Testing
OWASP Top 10 assessments, API security testing, authentication bypass, and business logic vulnerability discovery for web-based applications.
Network Infrastructure Testing
Internal and external network pen testing identifying misconfigurations, unpatched systems, and privilege escalation paths in your IT infrastructure.
Social Engineering & Phishing
Simulated phishing campaigns, vishing attacks, and physical security assessments to test your human firewall and security awareness.
Mobile Application Testing
iOS and Android security testing covering data storage, insecure communications, authentication flaws, and reverse engineering analysis.
Cloud Environment Testing
AWS, Azure, and GCP penetration testing covering IAM misconfigurations, exposed storage, and cloud-native attack vectors.
Red Team Operations
Advanced adversary simulation mimicking nation-state and APT tactics, techniques, and procedures (TTPs) for maximum security assurance.
How We Conduct Penetration Tests
A structured, six-phase methodology ensuring comprehensive coverage and actionable results.
Scoping & Rules of Engagement
Define target scope, testing windows, escalation paths, and success criteria with your security team.
Reconnaissance & OSINT
Passive and active intelligence gathering on your attack surface including domains, IPs, and exposed credentials.
Vulnerability Discovery
Systematic enumeration and testing of vulnerabilities using manual techniques and industry-leading tooling.
Exploitation & Privilege Escalation
Safely exploit discovered vulnerabilities to demonstrate real-world business impact and attack paths.
Reporting & Remediation Guidance
Comprehensive technical and executive reports with CVSS scores, evidence, and prioritised remediation guidance.
Re-test & Certification
Verify all critical findings are remediated and issue a Certificate of Compliance upon successful re-test.
Ready to Secure Your
Digital Infrastructure?
Schedule a consultation with our cyber security experts. Get a comprehensive threat assessment and defence strategy tailored to your organisation.