C3IA Achieves Level 2 Defence Cyber Certification: What It Means for Defence Suppliers

C3IA has become one of the first organisations to achieve Level 2 under the Ministry of Defence’s Defence Cyber Certification (DCC) scheme, marking an important step forward for cyber security across the UK defence supply chain. 

This is a significant milestone for the business, but it also reflects a wider shift in how cyber resilience is being approached across defence. 

Just as importantly, achieving Level 2 means C3IA is now authorised to assess and certify other organisations up to Level 3, the most advanced tier within the Defence Cyber Certification Scheme. As one of only two organisations currently certified at this level, C3IA is among a very small number of Certification Bodies able to support defence suppliers working towards the highest level of assurance. 

What is Defence Cyber Certification? 

The Defence Cyber Certification scheme has been introduced by the MoD, in partnership with IASME, to create a more consistent and independently assessed approach to cyber security for defence suppliers. 

Its purpose is simple: to ensure organisations are not only protecting sensitive information, but are able to continue operating when faced with cyber threats or disruption. 

This marks a move away from fragmented, contract-by-contract assurance towards a single, organisation-wide certification that reflects how a business actually operates. 

As MoD cyber security requirements continue to evolve, Defence Cyber Certification is expected to become a standard part of doing business within the defence sector. 

Why Level 2 Defence Cyber Certification Matters 

The Defence Cyber Certification framework is structured across four levels, each aligned to the level of cyber risk associated with the work being carried out. 

Level 2 applies to suppliers operating in higher-risk environments, where stronger controls and a more mature approach to cyber resilience are expected. 

Achieving Level 2 places C3IA alongside just one other organisation that has been independently assessed against these more demanding requirements. It also provides a clear view of what the standard looks like in practice, not just on paper. 

For many defence suppliers, that is a key challenge. It is one thing to implement controls, but another to demonstrate that they are embedded, consistently applied, and effective across the organisation. 

A More Practical Approach to Cyber Assurance in Defence 

One of the most significant changes introduced by the Defence Cyber Certification scheme is the most to organisation-wide assessment. 

Rather than completing multiple assessments for different contracts, suppliers are assessed once, with certification that can be applied across their defence work. This reduces duplication and provides greater clarity for both suppliers and the MoD. 

At the same time, it raises expectations. A single certification means organisations must show that their approach to cyber security is consistent, repeatable, and aligned to the level of risk they are managing. 

The scheme also build on recognised standards such as Cyber Essentials, while extending into broader areas such as governance and resilience. For defence suppliers in the UK, this creates a clearer and more structured pathway for improving cyber maturity. 

Supporting Defence Suppliers Through Certification 

Alongside achieving Level 2 Defence Cyber Certification, C3IA is also an accredited Certification Body and one of only five organisations initially selected to carry out independent assessments under the scheme. 

This combinations of roles provides both practical experience of meeting the standard and a clear understanding of how organisations are assessed against it. 

In practice, organisations often need support in turning requirements into something that works in a real-world environment. This may involve strengthening governance, improving how controls are evidenced, or preparing teams for independent assessment. 

What This Means for the UK Defence Supply Chain 

The introduction of Defence Cyber Certification reflects a broader shift in how cyber security is viewed within defence. 

It is no longer treated as a standalone requirement, but as a core part of delivering reliable and resilient capability. 

For defence suppliers, this brings clearer expectations and a more consistent approach to assurance. It also means organisations need to demonstrate that they can continue operating effectively, even when faced with increased cyber threat. 

As adoption of the DCC scheme grows, early certifications will help shape how it is applied across the sector. For organisations starting their journey, the focus is not just on achieving certification, but on building a level of cyber resilience that stands up in practice.

 

For more guidance on Defence Cyber Certification, read our blog post.