Ensuring Cyber Space is a safe place for you to do business
For Defence. For Government. For Enterprise. For SME.
Arcanum is an NCSC Assured Cyber Security Consultancy
Government or Business, Big or Small, Cyber Security is an issue.
Arcanum Cyber Security can help you.

Defence
We understand Defence. Our DNA is across Front Line Commands to the MoD and we have developed particular expertise in supporting Defence Primes and their Supply Chains.

Government
We have extensive Public Sector experience across Central Government, Local Authorities and Government Agencies. We hold top level security clearances and have CCP status awarded by GCHQ and the NCSC.

Enterprise

SME

Critical National Infrastructure
Arcanum is a supplier to UK Government and is certified by NCSC
Arcanum is proud to have been awarded the Gold Defence Employer Recognition Scheme (ERS) Award. We proactively demonstrate our forces-friendly credentials as part of our recruiting process and provide additional leave for Reservist employees.
Latest News
Arcanum Cyber Threat Advisory – Identity, OT, Autonomous Systems, Social Engineering and Supply Chains
This week’s threat landscape highlights a continued shift away from traditional malware-centric attacks towards the exploitation of trusted identities, legitimate business processes and increasingly autonomous digital systems.
Supplier Assurance: Assessing and Managing the Risks Presented by Your Organisation’s Suppliers
Arcanum Technical Director, Lawrie Abercrombie, outlines the integral role that supply chains now play in almost every...
OT Cyber Security: Preparing for Increased Regulatory Scrutiny in UK CNI
Arcanum Technical Director, Lawrie Abercrombie, explains why cyber security in operational technology environments has...
Operational Technology Cyber Security
Find out how we can help you mitigate your OT cyber risks.
We’re trusted by customers across all industries.
You can trust us too.
“Arcanum consultants assisted Cathelco with our Cyber Essentials Plus Certification. They provided invaluable advice and guidance on both the practical steps required and in assisting us to fine tune our policies and procedures, allowing us to achieve and maintain Certification.
Arcanum also provided specific guidance and consultancy around our requirement for an IT environment that meets MoD DEFCON 658-Cyber Security Model requirements. We found them to be excellent at what they do and would not hesitate to recommend their services to others.”
Phil Hicks, IT Manager, Cathelco Ltd.



