Who we are
Crestline CyberSecurity is a pioneering cybersecurity consultancy and service provider poised to become a certified B Corp, dedicated to defending the UK’s businesses, faith-based organisations, and charities. We deliver affordable, expert-led cybersecurity solutions to a vibrant yet vulnerable sector. Our mission is to democratise digital security, making it accessible and manageable for organisations that form the bedrock of our communities.
We are a team who met over our shared love of the ocean and catching waves, and through this environment we discovered multiple shared values within and around the cybersecurity industry.
Our Team
Tristram Ridley-Jones
CEO & FOUNDER
Tristram is a professional in the CyberSecurity industry, focusing on leading Crestline, before this he has worked as a SOC Manager at a Managed Security Service Provider (MSSP), with responsibility for leading and managing all aspects of Blue Team operations, with teams in security analysis, security engineering, threat hunting, incident response and cyber threat intelligence.
He has also worked as a Consultant in Cyber Capacity Building, working and advising on how blue teams (defensive teams) can be built/improved/made more effective, and helping with tool selection for Government and Critical National Infrastructure. He is also a PhD Candidate in Cyber Security.
Dr Eirini Anthi
CyberSecurity Specialist
Dr. Eirini Anthi is Crestline’s Specialist with regards to Operational Technology. When not supporting our clients to secure and mature their environments, she is a Senior Lecturer in Data Science and Cybersecurity at the School of Computer Science & Informatics, Cardiff University.
Dr. Anthi’s contributions to cybersecurity and AI safety are also widely recognised. Her research has earned awards, including Best Paper for her work on adversarial attacks in industrial control systems and recognition from Elsevier for advancing the United Nations Sustainable Development Goals. Her papers are highly cited, with one being the third most downloaded in its field. Combining academic expertise and practical industry experience, including her tenure at Airbus as a cybersecurity researcher, Dr. Anthi is at the forefront of systemic AI safety and cybersecurity research.
Contact us
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