Security Locked In,Threats Locked Out
Professional cyber security services that protect your business from evolving threats with comprehensive penetration testing and security assessments.

Featured In Leading Publications
Our cybersecurity expertise and thought leadership have been recognised by major news outlets and industry publications worldwide

AOL
AOL features our cybersecurity leadership

Cyber News
Cyber News highlights our threat intelligence

Independent
The Independent reports on our security research

Infosecurity Magazine
Infosecurity Magazine features our expertise

BBC News
Featured in BBC News for cybersecurity expertise

Forbes
Recognized by Forbes for innovative security solutions

Yahoo Finance
Yahoo Finance coverage of our security insights

Investing.com
Investing.com covers our market insights

The Scotsman
The Scotsman covers our Scottish operations

SOS/SIG
SOS/SIG highlights our industry contributions
Trusted & Accredited
Our certifications and accreditations demonstrate our commitment to the highest standards of cybersecurity excellence
Industry accreditations
Recognised by leading cybersecurity organisations worldwide


NCSC Assured Service Provider
UK National Cyber Security Centre certified provider
Cyber Scheme Certified Tester
Professional penetration testing certification
Cyber Essentials
UK government-backed cybersecurity certification
Cyber Essentials Plus
Enhanced cybersecurity certification with technical verification
CREST - Penetration Testing
Prestigious Penetration Testing Accreditation
Dubai Electronic Security Center
Certified cybersecurity provider in the UAE
Cyber Force
Elite cybersecurity force certification
ISO 27001
International information security management standard
Real-Time Penetration Testing Platform
Track vulnerabilities, monitor progress, and coordinate fixes through our Insights platform. Get instant visibility into your security posture with real-time monitoring and expert analyst support whenever you need it.
Enterprise-Grade Security Testing
Our innovative Insights Platform provides unparalleled visibility into your security assessment progress, enabling you to track findings, remediation efforts, and overall security posture with enterprise-level precision and reliability.
Live Dashboard
Real-time vulnerability tracking and intelligent prioritization
Advanced Analytics
Comprehensive reporting and strategic trend analysis
Expert Support
Direct access to CREST certified security professionals
Seamless Integration
Enterprise-grade connectivity with your security ecosystem

Ready to Elevate Your Security Posture?
Join industry leaders who trust our platform to strengthen their security posture. Experience enterprise-grade security testing today.
Request DemoPremium Security Services
Enterprise-grade security solutions delivered by certified professionals to protect your most valuable assets
Why Choose Us?
Live Reporting Platform
Real-time vulnerability tracking and expert-driven insights for continuous security monitoring.
Trusted by Household Names
Recognised brands and enterprises trust our cybersecurity expertise.
Expert Support
Our certified security professionals provide expert guidance when you need it.
About Closed Door Security
Expert cybersecurity consultancy delivering comprehensive security testing and compliance services globally
Leadership Team

William Wright
Chief Executive Officer
Scotland's First Chartered Cyber Security Professional with over 15 years of experience

Cassius Edison
Chief Operating Officer
Internationally recognised cyber expert specialising in advanced persistent threats

Conor Agnew
Head of Compliance
Expert in regulatory compliance and risk management frameworks
Global Presence
Serving clients worldwide with local expertise and global reach

United Kingdom
Stornoway, Scotland
GMT

United States
Des Moines, Iowa
CST

United Arab Emirates
Dubai, UAE
GST
Get In Touch
Ready to secure your business? Contact our team of certified experts today for a consultation.
Contact Us
Get in touch for questions about our services
Phone
+44131 460 4180
Speak directly with our security experts
Our Global Offices
Local expertise with global reach across three continents