Locked Stack
We are a global cybersecurity, compliance, and governance partner supporting organisations across the USA, UK, Europe, and Australia. Our team delivers structured and practical expertise across PCI DSS, NIST, DORA, and ISO 27001, alongside penetration testing, security testing, and tailored training programmes. We help organisations build stronger controls, enhance resilience, and maintain long-term security confidence in an evolving threat landscape.
At Locked Stack, we don’t deliver generic solutions — we develop tailored compliance and cybersecurity programmes that protect your organisation, reinforce governance, and drive sustainable, long-term resilience across every layer of your environment.
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Helping you strengthen operational resilience under the Digital Operational Resilience Act (DORA). We provide assessor-informed guidance and gap analysis services, supporting organisations in meeting DORA’s ICT risk, incident reporting, resilience testing, third-party risk, and information-sharing requirements across EU and global operations. Read More
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PCI DSS 4.0.1 and payment security advisory services tailored to support secure processing, strong authentication, and compliance readiness. We provide PCI DSS assessments, gap analyses, pre-audit reviews, 3-D Secure evaluations, and SAQ guidance to help organisations strengthen payment security and meet evolving standards. Read More
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Using the NIST Cybersecurity Framework 2.0, we assess organisational resilience through a structured review of governance, controls, and maturity across Identify, Protect, Detect, Respond, and Recover functions. Our approach delivers clear insights, highlights gaps, and supports strengthened operational resilience. Read More
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Comprehensive penetration testing and security assessment services designed to strengthen resilience and support compliance. We deliver application, external, internal, and segmentation testing through trusted partners, using risk-based methodologies to identify vulnerabilities, enhance defences, and maintain alignment with PCI DSS, ISO 27001, NIST, and industry standards. Read More
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GDPR compliance and data governance consulting that strengthens accountability, transparency, and responsible data management. We support organisations with policy development, data subject rights, consent, retention, breach readiness, and lawful processing, delivering pragmatic guidance aligned to EU and UK requirements. Led by our data protection specialist. Read More
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ISO 27001 readiness and information security consulting that strengthens governance, resilience, and certification preparedness. We assess existing controls, identify gaps, and guide the development of robust ISMS practices aligned with confidentiality, integrity, and availability principles—supporting long-term security maturity and global compliance. Read More
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Vulnerability scanning and continuous security monitoring that support proactive risk management and PCI DSS compliance. We deliver internal and external scanning, continuous visibility, and real-time insight into emerging threats—helping organisations identify weaknesses early, prioritise remediation, and strengthen overall security posture. Read More
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Security awareness and cyber training solutions that strengthen the human layer of defence. We provide tailored eLearning, phishing simulations, and ongoing programme management to build organisational vigilance, reduce human error, and support a strong security culture backed by clear executive reporting. Read More
Contact us
Get in touch with our team to discuss your cybersecurity and governance needs, or to learn how our services can strengthen your organisation’s security posture. Whether you require support with compliance, infrastructure, or risk management, we’re here to help.
Address
71 to 75 Shedlon Street
Covent garden
London
United Kingsdom
WC2H 9JQ