Diploma in Cybersecurity of Defence Data Links
Online postgraduate diploma of 800 hours in cybersecurity of defence data links. 8 modules covering tactical data links, cryptography, threat modelling, physical layer resilience, gateway security, accreditation and secure operation under STANAG 5516, NIST SP 800-53 Rev. 5 and Royal Decree 311/2022, with an assigned technical tutor.
Diploma in Cybersecurity of Defence Data Links — studying from the United Kingdom
The United Kingdom maintains a substantial defence industry, with prime contractors such as BAE Systems and Babcock, and a wide supply chain across the Midlands, the North West, Bristol and Scotland. Land systems, armoured vehicles, munitions and military engineering programmes provide long-term employment for engineers in design, integration, test and sustainment. The Ministry of Defence, Defence Equipment and Support and the Defence Science and Technology Laboratory oversee procurement and research. Security clearance requirements shape recruitment, and professional standards are maintained through UK defence engineering frameworks.
Fees for the United Kingdom: £910 (Pound sterling), with instalments and employer sponsorship available.
Relevant bodies in the United Kingdom
Typical roles
Questions from the United Kingdom
Which UK bodies and regulators are relevant to defence and military land systems engineering?
In the UK, the Ministry of Defence sets its own engineering standards and the Engineering Council regulates professional registration. Professional bodies such as the Institution of Mechanical Engineers (IMechE) and the Royal Engineers' professional structures are relevant. SEIUM's qualifications are private and not accredited by these bodies, so recognition for security-cleared or MOD roles is decided by the employer and the relevant authority.
Will a private qualification help with UK defence industry careers?
UK defence employers, including primes and suppliers, often prioritise security clearance eligibility, relevant experience and formal qualifications recognised by the MOD or industry bodies. A private qualification may support your profile but is unlikely to replace these requirements. Ask prospective employers how they would assess it before enrolling.
Is it practical to study this online while working in the UK, and what about language and funding?
Online study means you can continue working in the UK, and no student visa is needed to study from home. Teaching is in English, so good technical English is essential. Fees can be paid in instalments, and some employers offer training sponsorship, though policies vary. Each programme has a fixed number of hours and an assigned technical tutor. Confirm the workload and costs before enrolling.
Take the controls.
Run a real engineering trade-off from this field. Move the sliders, watch the model react in real time and beat the challenge.
What you will be able to do
Understand the architecture of tactical data links.
Apply cryptography and key management to low-bandwidth links.
Model threats against data links.
Design resilience measures at the physical and network layers.
Protect gateways and boundaries between security domains.
Prepare accreditation files in line with regulations.
Plan testing and incident response for data link systems.
Who it's for
- Defence cybersecurity engineers.
- Tactical data link specialists.
- System accreditation managers.
- Threat analysts.
- Secure communications engineers.
- Information security auditors.
- Engineering or science graduates seeking to enter the defence sector.
What you'll work with
- STANAG 5516 (Link 16 tactical data exchange)
- NIST SP 800-53 Rev. 5 (security and privacy controls)
- Real Decreto 311/2022 (Spanish National Security Framework, ENS)
- MIL-STD-6016 (Link 16 message standard)
- MIL-STD-3011 (JREAP joint range extension)
- NIST SP 800-37 Rev. 2 (Risk Management Framework)
- FIPS 140-3 (security requirements for cryptographic modules)
- Wireshark
- MATLAB Communications Toolbox
- GNU Radio
- Suricata
8 modules
1.1Architecture of tactical data links1.2Link 11, Link 16 and Link 221.3J-series messages to STANAG 55161.4VMF format and MIL-STD-60171.5JREAP to MIL-STD-30111.6Participants and networks1.7Multinational interoperability1.8Network management and planning1.9UAS data links1.10Practical exercise: study of a multi-link architecture
2.1Symmetric and asymmetric encryption2.2Key management and distribution2.3Approved algorithms and the CNSA suite2.4Post-quantum cryptography2.5FIPS 140-3 cryptographic modules2.6Message authentication2.7Random number generation2.8Encryption on low-bandwidth links2.9CCN-approved products2.10Laboratory: message authentication with HMAC
3.1STRIDE methodology3.2Eavesdropping and traffic analysis3.3Message spoofing and replay3.4Interference detection3.5GNSS time and position integrity3.6Supply chain3.7Insider threat3.8Attacks on network management3.9Risk classification and prioritisation3.10Case study: threat model of a UAS link
4.1Spread spectrum principles4.2Coding and error correction4.3Low probability of intercept4.4Spatial and temporal diversity4.5Directional antennas4.6Spectrum management4.7Interference monitoring4.8Graceful service degradation4.9Link redundancy4.10Practical exercise: error rate simulation with coding
5.1Multi-link gateways5.2Security domains5.3Cross-domain solutions5.4Network segmentation5.5Intrusion detection5.6Logging and auditing5.7System hardening5.8Patch management in tactical systems5.9Zero trust principles5.10Workshop: design of a cross-domain boundary
6.1System accreditation process6.2CCN-STIC guides6.3Spanish National Security Framework (ENS)6.4NATO security policy6.5NIST SP 800-37 RMF6.6NIST SP 800-53 controls6.7TEMPEST emanations6.8Security documentation6.9Residual risk management6.10Case study: accreditation file
7.1Authorised security testing7.2Interoperability testing7.3Multinational data link exercises7.4Incident response7.5Forensic analysis7.6Configuration management7.7Operator training7.8Lessons learned7.9Continuous improvement7.10Case study: security test plan
8.1Description of the data link system8.2Assets and security requirements8.3Threat model8.4Protection architecture8.5Key management8.6Verification plan8.7Accreditation file8.8Incident response plan8.9Report and presentation8.10Final project: final review with the tutor
How you'll learn
A 100% online programme on the SEIUM campus, with downloadable material, recorded classes and an assigned technical tutor. There are no fixed timetables: you progress at your own pace within the intake, so it fits around your job.
Each module combines theory, guided reading of the original standard and applied exercises. The working software is Wireshark, MATLAB Communications Toolbox, GNU Radio and Suricata, in free, academic or evaluation versions. Testing is studied through real procedures for data link interoperability testing, authorised security testing and laboratory traffic analysis. Assessment is continuous by module, plus the final project.
Standards covered: STANAG 5516, NIST SP 800-53 Rev. 5, Real Decreto 311/2022, MIL-STD-6016, MIL-STD-3011, NIST SP 800-37 Rev. 2, FIPS 140-3.
Build it end to end
Your final project follows the real engineering workflow, step by step, reviewed by your tutor.
Where this takes you
Requirements
- Prior technical training or professional experience in the sector. No university degree is required.
- An internet connection and a computer able to run the programme software.
- English sufficient to read technical standards.
Ready to start?
Send your application today. Our admissions team replies within 72 hours with your study plan and funding options.
Frequently asked questions
The programme totals 800 hours over 6–8 months. You set your own pace within each intake, and your tutor helps you plan the workload around your job.
You work with Wireshark, MATLAB Communications Toolbox, GNU Radio and Suricata, using free, academic or evaluation versions. Your tutor indicates the free alternative wherever one exists.
A SEIUM Institute diploma, awarded on passing the continuous assessment and the final project. It is SEIUM's own qualification, not an official state degree; its recognition depends on the programme completed and the regulations of each country.
Yes. Modules passed are recognised in a higher programme in the same area (postgraduate diploma or master's). Ask about the recognition policy when you enrol.
Prior technical training or professional experience in the sector (no university degree required), a computer able to run the software, and English sufficient to read technical standards.
Start dates are set by SEIUM's faculty for each intake. Our admissions team will confirm the next available date when you apply.
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