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Digital Security Consulting

Services

Engineering Services

Systems and certification rigour from 25+ years in safety-critical aerospace.

What you get

  • Systems engineering and requirements definition
  • Design compliance and certification documentation support
  • Technical writing for regulated and audited environments
  • Verification and validation planning
  • Failure analysis, root cause investigation and corrective action
  • Independent technical review of designs and vendor claims

Outcomes

  • Documentation that survives regulatory and audit scrutiny
  • Requirements traceable from intent through to verification evidence
  • Failure modes identified before they are discovered in service
  • Decisions supported by analysis rather than assertion

Capabilities

Avionics and aerospace systems

Experience across flight control, display, navigation, communication and integrated modular avionics subsystems on modern business aircraft platforms.

Design compliance documentation

Compliance reporting and addendum work for regulated programmes, including obsolescence, software update and configuration change justification.

Requirements engineering

Requirements that are unambiguous, testable and traceable, written so that verification is possible rather than aspirational.

Verification and validation

Test planning, evidence structuring and traceability matrices that demonstrate compliance rather than merely claiming it.

Failure analysis and root cause

Structured investigation of failures in complex systems, with corrective actions that address cause rather than symptom.

Technical due diligence and review

Independent assessment of engineering designs, vendor claims and technical risk for organisations without in-house specialists.

Where the standards come from

Most of what this firm believes about engineering was formed in aerospace, over more than two decades of work on business aircraft avionics — flight control, displays, navigation, communications and integrated modular avionics.

That environment has a specific character. You cannot ship and iterate. You cannot assert that something works. You produce evidence, in writing, that a competent independent reviewer can follow to the same conclusion, and you assume in advance that things will fail and define what happens when they do.

What that discipline consists of

Requirements that can be tested. “The system shall be responsive” is not a requirement; it is a hope. Every requirement must be unambiguous and verifiable, or verification becomes theatre.

Traceability. From intent, to requirement, to design, to verification evidence. Any link should be followable in both directions.

Documented reasoning. Not just the decision — the alternatives considered and why they were rejected. This is what lets someone five years later change the design safely.

Assumed failure. Identify failure modes, assess consequence, define the response, and demonstrate that the response works.

Applying it outside aerospace

This is not a separate business line from the security and infrastructure work. It is the source of it.

When we insist on running a restore drill rather than accepting that backups exist, that is aerospace thinking. When we write down what an AI system does when it is uncertain, that is aerospace thinking. When we say a security posture is only real if you can produce evidence for it, same.

Commercial IT tends to optimise for shipping speed, which is often correct. But there is a category of system — the one your revenue depends on, the one holding your customers’ data — where the safety-critical mindset is simply the right one, and it is rarer in this market than it should be.

Independent technical review

We also take on discrete review work: assessing an engineering design, a vendor’s technical claims, or a proposed architecture, for organisations that need a specialist opinion without a permanent hire. No stake in the outcome, and a written rationale you can act on.

Frequently asked questions

What aerospace experience do you have?

Over two decades of engineering work on modern business aircraft avionics, spanning flight control, display, navigation, communication and integrated modular avionics subsystems, including design compliance reporting for configuration changes, software updates and component obsolescence.

How does aerospace experience apply to IT and software work?

Directly, and it is the main reason our software and security work looks the way it does. Safety-critical engineering enforces habits most commercial software never develops: assume failure and design the response, make requirements testable, document the reasoning, and produce evidence rather than assurances. Applied to infrastructure and security, that discipline is the difference between believing you can recover and knowing it.

Do you take on non-aerospace engineering work?

Yes. The underlying methods — requirements definition, verification planning, failure analysis, structured technical documentation — apply to any regulated or audited environment, and to any organisation that needs a rigorous independent technical opinion.

Can you support our certification documentation effort?

Yes, as engineering support producing and reviewing compliance documentation to the standards and phrasing conventions of the programme. Regulatory sign-off remains with the appropriately delegated authority.

Software Engineering

Architecture, subscription platforms and data pipelines — built to be maintained.

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Infrastructure & Backup

Servers, clusters and backups designed so that failure is survivable and boring.

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Cybersecurity

Incident response, ransomware recovery, and hardening that holds up under audit.

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Tell us what is breaking — or what you are trying to build.

You get a senior engineer on the first call, not a salesperson. If we are not the right fit, we will say so and point you somewhere better.

Active incident? Write “URGENT” in your message and we prioritise it.