The latest from Arcanum

Arcanum Welcomes Karen Valentine

Arcanum Welcomes Karen Valentine

Karen joined the team following her role as a Senior Financial Analyst in the UK financial services sector. A chartered accountant who began her career at PwC, she brings nearly 20 years of experience across Financial Control and Financial Planning and Analysis. Karen...

read more
Chris Hanwell Joins Arcanum’s Sales Team

Chris Hanwell Joins Arcanum’s Sales Team

Chris joined Arcanum as Defence & Critical National Infrastructure Cyber Sales Lead, bringing more than 18 years of experience in sales leadership, business growth, operational management and cyber security consultancy. Throughout his career, Chris has held senior...

read more
Arcanum welcomes Mike Le Gear to the team

Arcanum welcomes Mike Le Gear to the team

Mike joined the team following a 24-year career in the Royal Navy. During his service, he held senior positions including Security Operations Centre Manager for the UK’s Core defence enterprise and Information Risk Manager responsible for securing critical military...

read more
Arcanum welcomes Gary Tettersell to the team

Arcanum welcomes Gary Tettersell to the team

Gary joined the team following an 18-year career in the British Army, where he served as a Warrant Officer Class 2, Yeoman of Signals (Electronic Warfare) within the Royal Corps of Signals. During his service, he specialised in Electronic Warfare, Signals...

read more
Arcanum welcomes Neal Cowdrey to the team

Arcanum welcomes Neal Cowdrey to the team

Neal joins Arcanum after working as a Lead Security Engineer for a major Defence programme, having previously served for 23 years in the British Army. He previously held CLAS and Senior CESG Certified Professional and now holds certifications in CISSP, ISO27001 Lead...

read more
Arcanum welcomes Justin Dymond to the team

Arcanum welcomes Justin Dymond to the team

Justin has joined Arcanum as Chief Consultant and brings a broad portfolio of experience to the team as a cyber leader and established consultant. Underpinned by his knowledge of the profession, an engineering background and 25 years in Defence and National Security,...

read more
How to Pass DCC First Time

How to Pass DCC First Time

Chartered Cyber Security Professional and NCSC Head Consultant, Sam Stait breaks down how to pass DCC first time. There is a common assumption that passing Defence Cyber Certification comes down to how mature your security environment is. In practice, that is not what...

read more
Arcanum welcomes Roddy Morrison to the team

Arcanum welcomes Roddy Morrison to the team

Roddy joined Arcanum following a twenty two year career in the British Army. As a member of the Royal Corps of Signals, he delivered secure and resilient Communications Information Systems from tactical through to strategic and enterprise levels, serving within the UK...

read more
AI, Mythos, and the Real Cyber Arms Race

AI, Mythos, and the Real Cyber Arms Race

Arcanum Technical Director, Lawrie Abercrombie, discusses growing concerns surrounding the capabilities of Claude’s Mythos AI model in the hands of threat actors. A wave of headlines over the past week has focused on Anthropic’s new Claude Mythos AI, almost all of...

read more
Arcanum Cyber Security Review 2025

Arcanum Cyber Security Review 2025

Just before our team closed their laptops and headed off for the Christmas break, we invited some of our senior team to reflect on the cyber landscape as part of a virtual round table event.Jane Chappell, Chris Flynn, Sam Stait and Jonny Keiller took some time to...

read more
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...

read more
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...

read more
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.

read more
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...

read more
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...

read more
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...

read more
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...

read more
Cyber Attack on DP World Australia

Cyber Attack on DP World Australia

Recent reporting has provided insight into the notable attack against Australia’s biggest ports operator ‘DP World Australia’. DP World Australia detected an unauthorised breach of its network on Friday 10th November 2023, and subsequently disconnected its networks...

read more
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...

read more
Arcanum Social Event 2022

Arcanum Social Event 2022

As a remote working company, we like to get all our employees together a couple of times a year to connect with new faces and catch up with old colleagues from across the UK. This month we invited all employees and their partners for a night away at The Charlecote...

read more
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...

read more
Chris Flynn receives MSc in Cyber Security

Chris Flynn receives MSc in Cyber Security

Congratulations to Chris Flynn, Arcanum Cyber Security Consultant, on completing his MSc in Cyber Security at Glasgow Caledonian University with a Distinction. Glasgow Caledonian University’s Masters course is certified by the National Cyber security Centre (NCSC) and...

read more
Arcanum celebrate Reserves Day

Arcanum celebrate Reserves Day

Yesterday was Reserves Day, an opportunity for the UK to celebrate and salute our Reserve Forces. Arcanum benefits hugely from employing serving Reservists and Veterans and on many occasions Arcanum employees cross paths in the course of their military duties.  Above...

read more
IT vs OT Webinar – May 31st 2022

IT vs OT Webinar – May 31st 2022

Arcanum are hosting a free webinar on May 31st to discuss cyber security in Operational Technology (OT), and its difference compared to Information Technology (IT). Secure your space on this free webinar by registering via Eventbrite: Information Technology (IT) vs...

read more
CYBERUK 2022

CYBERUK 2022

Excellent couple of days the ICC Wales for CYBERUK22. As a certified NCSC consultancy, it was a great event for us to exhibit our services on the Arcanum stand and meet new and existing contacts. It was also an opportunity for our NCSC Certified Head Consultants and...

read more
Arcanum Celebrates Reserves Day 2021

Arcanum Celebrates Reserves Day 2021

Today is Reserves Day, an opportunity for the UK to celebrate and salute our Reserve Forces. Reservists give up their spare time to serve in the Reserve Forces, balancing their civilian life with a military career to ensure that should their country require them, they...

read more
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...

read more
Maybe We Should Investigate?

Maybe We Should Investigate?

Blog by Chris Gausden, Arcanum Principal Consultant.   Having been formally trained first as a police officer and then a government security investigator it has always intrigued me as to how commercial organisations investigate security incidents. Many seem to shy...

read more
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...

read more
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...

read more
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...

read more
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...

read more
Secure Remote Working

Secure Remote Working

The disruption caused by the COVID-19 pandemic is unparalleled during our lifetimes. However, given advances in IT many organisations are able to continue to do business, by allowing staff to work remotely. Some companies are very used to allowing remote access to...

read more
Lies, Damn Lies and Cyber Security Statistics

Lies, Damn Lies and Cyber Security Statistics

Figure 1: Chances of Dying in the UK in 2018 from Assorted Causes Blog by Lawrie Abercrombie, Arcanum’s Technical Director. There is no doubt that some statistics are more trustworthy than others.  For example, the ones in our infographic above are generally based on...

read more
Arcanum Receives Employer Recognition Scheme Gold Award

Arcanum Receives Employer Recognition Scheme Gold Award

  Arcanum Cyber Security has been awarded the Employer Recognition Scheme Gold Award by the Ministry of Defence. Gold is the scheme’s highest level and recognises employers who actively support the Armed Forces community. Jane Chappell, Arcanum’s Operations...

read more
Arcanum To Receive Employer Recognition Scheme Gold Award

Arcanum To Receive Employer Recognition Scheme Gold Award

  Arcanum Information Security have been awarded the Employer Recognition Scheme Gold Award by the Ministry of Defence. Gold is the scheme’s highest level and recognises employers who actively support the Armed Forces community and also encourage others to follow...

read more

University White Papers

Universities: Hackers Fake Student Accounts by Lawrie Abercrombie | July 22, 2019 Universities and cyber security are one of Arcanum’s favourite topics. At the same time one of my colleagues is part of a panel assessing the competency... Read more:...

read more
Universities: Hackers Fake Student Accounts

Universities: Hackers Fake Student Accounts

Blog by Lawrie Abercrombie, Arcanum's Technical Director. Universities and cyber security are one of Arcanum's favourite topics.  At the same time that one of my colleagues is part of a panel assessing the competency of Post and Under-Graduate Cyber Security degree...

read more
Arcanum Secures G-Cloud 11 Status

Arcanum Secures G-Cloud 11 Status

Arcanum Information Security has been awarded a place on the G-Cloud framework for a sixth consecutive year. G-Cloud 11 is an agreement between UK Government and suppliers and allows public sector organisations to buy services in an efficient way. Arcanum’s Managing...

read more
NIS Regulations for UK Critical National Infrastructure

NIS Regulations for UK Critical National Infrastructure

By Chris Flynn, Arcanum Junior Consultant. The 2018 Network and Information Systems Regulations have been in force for a quite a while now though it would seem that the breadth of both the regulations and the businesses that are affected may not have been fully...

read more
Universities in the spotlight once again

Universities in the spotlight once again

Blog post by Arcanum Cyber Security Our team has been looking at cyber security issues in the Higher education sector for some time, and over the last couple of years we have published a number of pieces, detailing some of that research into attacks on US universities...

read more
Proeon Systems and Arcanum Cyber Form Closer Ties

Proeon Systems and Arcanum Cyber Form Closer Ties

Proeon Systems and Arcanum Cyber have agreed to work together to provide specialist services to help UK Critical National Infrastructure become safe, secure, and to achieve compliance with the NIS Regulations. Arcanum Cyber, specialists in Cyber Security and Proeon...

read more