Cyber security

Arcanum welcomes Matthew to the team

Arcanum welcomes Matthew to the team

  Matthew joined Arcanum following two decades of service in the British Army’s Royal Corps of Signals, delivering resilient and secure communications from tactical through to enterprise levels. He brings extensive experience in security operations and incident...

Navigating the cyber seas

Navigating the cyber seas

Navigating the Cyber Seas – Arcanum’s Insights from LISW 2025 London International Shipping Week 2025 (LISW) brought together maritime leaders, regulators, and cyber security experts to address the evolving digital threats facing the global shipping industry. Neil...

The Cyber Security and Resilience Bill

The Cyber Security and Resilience Bill

The UK government has unveiled the scope and ambition of the Cyber Security and Resilience Bill, further emphasising that bolstering the UK’s online defences is central to the government’s Plan for Change.

2025 Megabuyte Award Winner!

2025 Megabuyte Award Winner!

We are thrilled to announce that Arcanum has been recognised as the best performing company in the IT consulting category within the prestigious 2025 Megabuyte Emerging Stars cohort!

Dydd Gŵyl Dewi Hapus! Happy St David’s Day!

Dydd Gŵyl Dewi Hapus! Happy St David’s Day!

Arcanum is proud to be the only NCSC Assured Cyber Security Consultancy in Wales, and the fastest-growing public sector cyber security consultancy in Wales. As we celebrate St David’s Day, we also celebrate the strong cyber community within Wales, brought together by...

Tech200: Highest Ranked Cyber Security Consultancy

Tech200: Highest Ranked Cyber Security Consultancy

We are proud to be recognised as the highest ranked cyber security consultancy on the prestigious Tussell Tech200 list. This ranking highlights Arcanum as one of the fastest-growing UK public sector technology suppliers, reinforcing our reputation as a leader in the...

What is vishing?

What is vishing?

During Cyber Security Awareness month, we will be exploring some cyber related terms you may have heard of but may not fully understand. We hope to raise awareness and ultimately work to improve UK cyber security resilience. In this article, we will explore vishing.

Reserves Day 2024

Reserves Day 2024

As an Employer Recognition Scheme (ERS) Gold Award holder, Arcanum have demonstrated outstanding support for those who serve and have served. A large proportion of our company have served in the Armed Forces or are still serving as part of the UK Reserves. On Reserves...

Lawrie Abercrombie joins CIISec board

Lawrie Abercrombie joins CIISec board

We are happy to announce that our co-founder Lawrie Abercrombie is now on the board of directors for the Chartered Institute of Information Security (CIISec).   A few words from Lawrie: "CIISec provides a universally accepted focal point for the cyber and information...

Arcanum achieves NCSC approval for Audit and Review

Arcanum achieves NCSC approval for Audit and Review

We are proud to announce that we have been accredited by the NCSC to deliver Assured Cyber Security Consultancy (ACSC) Audit and Review services. This means that we can provide guidance and advice to be able to influence Senior Information Risk Owners or business...

International Women’s Day 2024

International Women’s Day 2024

For International Women’s Day 2024, we focus on Jane Chappell, co-founder of Arcanum Cyber Security. Since 2008, Jane has jointly led the company, working to protect people, businesses and information. Jane was the first woman to command a cyber unit in the British...

NCSC’s Cyber Assessment Framework

NCSC’s Cyber Assessment Framework

Blog written by Sam Taylor, Cyber Security Consultant at Arcanum. This blog piece is the first part of our five-part series delving into the National Cyber Security Centre’s (NCSC’s) Cyber Assessment Framework (CAF). In this introductory piece, we will demystify the...

Challenges faced when securing OT/ICS

Challenges faced when securing OT/ICS

Industrial Control Systems (ICS) Overview  The first Distributed Control Systems used in industry were created around the 1970s. These systems had very limited connectivity, and there was clear segregation between Information Technology (IT) and Operational Technology...

Arcanum at Space Comm Expo 2023

Arcanum at Space Comm Expo 2023

Last week, Arcanum exhibited at Space Comm Expo, the UK’s largest Space event. The Arcanum team had a really enjoyable couple of days alongside Space Wales, showcasing our Cyber Security services in the Space Sector.  It was a great opportunity for our Consultancy and...

Cyber Attack on US Airports

Cyber Attack on US Airports

Cyber attacks have caused websites at over a dozen US airports to temporarily go offline, with Russian speaking hackers claiming responsibility. These include airports in Atlanta, Chicago, New York and Los Angeles. On Monday morning, LaGuardia airport in New York was...

What Cyber Essentials is and why it’s important

What Cyber Essentials is and why it’s important

What is Cyber Essentials? It is a UK Government-backed scheme aimed at increasing the cyber security level of UK businesses. It was launched in 2014 and is operated by the National Cyber Security Centre (NCSC) in combination with its Cyber Essentials partner IASME....

Cyber Security Professionals – A Market for Lemons?

Cyber Security Professionals – A Market for Lemons?

Blog by Lawrie Abercrombie, Arcanum Co-founder and Technical Director In 1970, George Akerlof, a US Nobel Prize winning economist wrote a paper on the used car market in the USA titled ‘The Market for Lemons’.  It describes a phenomenon where buyers of second-hand...

Ransomware Attack on US Pipeline

Ransomware Attack on US Pipeline

Blog by Lawrie Abercrombie, Arcanum Technical Director Over the weekend a ransomware attack forced the US's largest fuel pipeline operator to shut down its operations. There have been multiple comments in the media along the lines of "why was nothing done to prevent...

You Need To Get With The Process

You Need To Get With The Process

Blog by Chris Gausden, Arcanum Principal Consultant. I think that it is undisputed that a critical part of any accurate business security risk analysis, is the use of an accurate Business Impact Analysis (BIA), to focus on truly critical business assets. However, I...

An Unhealthy Ransom

An Unhealthy Ransom

Blog by Jane Chappell, Arcanum Operations Director. Following our ‘Stand and Deliver’ ransomware blog published on September 3rd, sadly this form of corporate extortion is still on the increase. Ransomware is not only the encryption of data rendering it unavailable to...

Industrial Clouds On The Horizon

Industrial Clouds On The Horizon

Blog by Chris Gausden, Arcanum Principal Consultant. Despite the title, this is not some scribblings on the subject of chemically vaporous pollution or global warming. However, it does represent a view of managing the practical security and compliance state of current...

Stand and Deliver

Stand and Deliver

Blog by Chris Gausden, Arcanum Principal Consultant.   Travelex, Honda, Garmin, Cognizant… who will be the next ‘holdup’ victim of ransomware? [1]     Ransomware has been around since the last century. A check on Wikipedia will tell you the first documented attack was...

Celebrating Cadets Day

Celebrating Cadets Day

Arcanum Managing Director, Russ Wardle, as Deputy Lieutenant for the County of Gwent with Sea Cadets at the Newport D Day parade. Bringing the Armed Forces week to an end, today Arcanum is celebrating Cadets day. Here at Arcanum, we try to support the entirety of the...

Celebrating Reserves Day

Celebrating Reserves Day

Image: Cyber Security Consultant and Royal Navy Reservist, Chris Flynn.  Today Arcanum is celebrating Reserves Day, which was created to highlight and recognise the valuable contribution Reservists make to our Armed Forces. Chris Flynn joined Arcanum last year...

Celebrating Armed Forces Week

Celebrating Armed Forces Week

Arcanum Director, Jane Chappell is Chairman of the Reserve Forces and Cadets Association (RFCA) for Northamptonshire. To mark the start of Armed Forces Week, yesterday Jane was invited to a Flag Raising Ceremony in Northampton. The ceremony took place outside the...