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Crossword Cybersecurity is a full-service consultancy and software solutions provider focused on helping you to reduce cybersecurity risk within your organisation, simply and without adding complexity. 

Our products

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Trillion Breach logo
Trillion Harvista logo
Trillion Arc logo

Solving cyber challenges, collaboratively

Our goal is to help you reduce cybersecurity risk within your organisation, without adding complexity.


Whether you are a new CISO looking to explore the cyber security posture of your organisation, or an established IT leader aiming to improve cyber security protocols, Crossword works alongside you as if we are a member of your team to assist you in achieving your goals.


We work in collaboration with leading organisations across a variety of industries, all looking to solve their challenges within cybersecurity. Clients work with us across our full service approach of services and product, alleviating the need to work with multiple suppliers and across different tech stacks.


Our experts are an extension of your team.


Our core focus areas:

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Consultancy and Managed Services

Improving cyber maturity through cyber security monitoring. GRC Consulting including penetration testing, virtual CISO, certification and auditing services

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Supply Chain Cyber and
Third Party Risk Assurance

Third party risk assurance and Supply Chain Cyber through an innovative model of products and services, including supplier assurance platform Rizikon and managed Supply Chain Cyber services

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Innovation and Bespoke Projects

Working with senior security leaders to plan for and manage future risk through innovative projects and technology, including security architecture and engineering projects

Why work with Crossword Cybersecurity?

  • Full suite of cybersecurity services and platforms to solve your challenges - including Third Party Risk, Threat Intelligence, Virtual CISO and Pentration testing

  • 24/7 Security Operations Centre run by our trusted Managed Services division

  • Expert Consulting team with knowledge across most standards, frameworks and legislation 

  • Dedicated Supply Chain Cyber practice, committed to reducing third party risk

  • Awarded top 100 cyber security company in the UK in 2023

  • World-class Threat intelligence team, providing insights on the changing threat landscape, alongside the Trillion suite of products

  • Expert and seamless services as an extension of your in-house team, including managed SOC and Virtual CISO services

  • Highly accredited teams throughout the business, including CREST, Cyber Essentials Plus and ISO27001 to manage your certification and audits, and penetration testing

  • A celebrated culture of openness, responsibility and flexibility, which transcends through our work with clients.

Image by Lalit Kumar

Case studies

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National Nuclear Laboratory improves supplier onboarding with Rizikon

National Nuclear Laboratory achieves accelerated and consistent supplier onboarding, along with new insights into supplier risk for procurement and supplier management teams, by utilising Crossword’s Rizikon Assurance online platform.

Learn more


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