About Closed Door Security
Founded in Scotland, we're a leading cybersecurity consultancy providing penetration testing and security assessments to organisations worldwide.
Our Story
Established in Stornoway, Scotland, Closed Door Security was founded with a simple mission: to provide world-class cybersecurity services that genuinely protect businesses from evolving digital threats.
Our team of certified security professionals brings decades of combined experience from government, financial services, and enterprise sectors. We've grown from a small Scottish consultancy to an internationally recognised security firm with offices across three continents.
Today, we protect some of the world's most critical infrastructure and sensitive data, from NHS trusts to multinational corporations.
Meet Our Team
Our team of certified security professionals brings together expertise from across the cybersecurity industry.
William Wright
Chief Executive Officer
Over 15 years of experience in cybersecurity with expertise in penetration testing, threat intelligence, and enterprise security architecture.
Cassius Edison
Chief Operating Officer
Internationally recognised cyber expert specialising in advanced persistent threats and security operations.
Conor Agnew
Head of Compliance
Expert in regulatory compliance, risk management frameworks, and enterprise security governance.
Case Studies
Real-world examples of how we've helped organisations strengthen their security posture and protect critical assets.
Financial Services Penetration Test
Client:
Major UK Banking Institution
Challenge:
Complete security assessment of online banking platform and mobile applications
Solution:
Comprehensive testing methodology covering web applications, APIs, and mobile security
Results:
Identified and helped remediate 23 critical vulnerabilities, improved security posture by 85%
Healthcare Data Protection Assessment
Client:
NHS Trust
Challenge:
GDPR compliance assessment and patient data protection evaluation
Solution:
Multi-phase security review including network infrastructure and data handling processes
Results:
Achieved full GDPR compliance, implemented robust data protection controls
Manufacturing Operational Technology Security
Client:
Industrial Manufacturing Company
Challenge:
Securing operational technology networks and industrial control systems
Solution:
Specialised OT/ICS penetration testing with minimal disruption to operations
Results:
Enhanced industrial security controls, prevented potential operational disruptions
Want to learn more about our work? We'd be happy to discuss how we can help protect your organisation.
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