About Us

Arcanum is a specialist Cyber and Information Security Consultancy. Find out about us.


Formed in 2008, Arcanum Information Security Ltd has grown quickly to become a leading provider of Cyber Security Consultancy services to Government and the private sector.

Our highly trusted staff have ex-military or government service experience and top-level security clearances, and have Certified Cyber Professional status awarded by GCHQ and the National Cyber Security Centre.  Many are Armed Forces Reservists, using their cyber-security skills and expertise on operational tasking to help protect the UK.  They employ the same highly developed principles and commitment to deliver timely, high quality work and advice to our clients. Find out more about us by getting in touch with a member of our team.



NCSC Assured Service Provider 

Certified Professional


About Us Arcanum Cyber

IASME Consortium –Gold Certification

About Us Arcanum Cyber

ISO 9001 Compliant

About Us Arcanum Cyber

Cyber Essentials Plus 

About Us Arcanum Cyber

Cyber Essentials 

About Us Arcanum Cyber

Goldman Sachs: 10,000 Small Businesses Alumni


Arcanum Digital Forensics is ISO 17025 Accredited

For details see the full accreditation schedule

Gold bannerArcanum 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.

Our Team Arcanum Cyber

Our Management Team

Our professional skills, experience and expertise make Cyber space a safe place for our clients to do business.

Our Values Arcanum Cyber

Our Values

It is the responsibility of every employee to ensure that our reputation for integrity and fairness in its business dealings and  is protected.

The Latest news

The Fluid World of Cyber Risks in IT and OT

The Fluid World of Cyber Risks in IT and OT

Blog by Chris Gausden, Arcanum Principal Consultant.   As part of my far sighted Open University degree in Computer Science in the 1990s, I completed a course that taught the social impacts of IT (before the days of social media); and postulated the future...

Arcanum Welcomes Tamar to our Pen Test Team!

Arcanum Welcomes Tamar to our Pen Test Team!

Tamar Everson has joined the Arcanum Pen Test team as a Senior Pen Tester. Tamar has been involved in the Cyber Security industry since 2012 and is a CREST Registered Pen Tester. He has joined us from Context where he was a Lead Cyber Security Consultant.  During his...

We’re Recruiting for a Marketing Executive

We’re Recruiting for a Marketing Executive

Applications have now closed for this position - Thank you for your interest! We are looking for a Marketing Executive to join our growing and ambitious full-service Cyber Security Consultancy. The role will involve broad marketing duties in support of both Business...

Cyber Essentials Webinar

Cyber Essentials Webinar

  Arcanum Cyber Security are hosting a free webinar on Friday 12th March 2021 where we will be discussing the Cyber Essentials scheme and how we can help you! A perfect opportunity to join us from wherever you are, and find out all you need to know about Cyber...

Contact Us

Get in touch today and discover how you can ensure the protection of your critical data and infrastructure.

You can contact us directly by calling or sending us an email.

t: 01558 669140    

e: admin@arcanumis.com

Get started today and make your business secure.

Get in touch.