Cyber resilience for critical systems
As software becomes increasingly critical to the operation of infrastructure, transport and industrial systems, cyber resilience is becoming as much an engineering challenge as a security challenge.
Why It Matters
Cyber resilience is no longer solely an IT or cyber security concern. It is now a board-level, engineering and supply-chain challenge.
Organisations face increasing pressure from:
- Evolving cyber threats
- Growning software complexity
- Supply-chain risk
- Long-life operational systems
- Increasing regulatory expectations
As systems become more software-dependent, resilience is increasingly influenced by software architecture, technology choices, integration decisions and lifecycle management.
Read our article: Cyber Resilience Starts With Software Engineering.
Cyber Resilience Starts With Engineering
Cyber resilience is heavily influenced by decisions made long before a system enters service.
The UK Software Security Code of Practice promotes secure-by-design principles that reduce vulnerabilities throughout the software lifecycle.
For many organisations, the challenge is not understanding these principles. The challenge is applying them within complex operational environments and existing systems.
Key engineering considerations include:
- Requirements and risk definition
- Software and systems architecture
- Secure software development
- Verification and validation
- Systems integration
- Lifecycle planning
Managing Software Lifecycle Risk
Modern systems rarely remain static.
Software evolves. Dependencies change. Technologies mature. New vulnerabilities emerge.
Maintaining resilience requires software to remain:
- Supportable
- Maintainable
- Integratable
- Adaptable
This is where software engineering, systems engineering and assurance disciplines come together.
Software Obsolescence and Cyber Risk
Many cyber vulnerabilities originate from:
- Ageing software
- Unsupported technologies
- Obsolete development environments
Across rail, highways, defence and industrial sectors, operational systems often remain in service for decades.
Addressing software obsolescence often requires:
- Software re-engineering
- Systems integration
- Verification and testing
- Migration planning
Zircon helps organisations assess software obsolescence risks, improve supportability and plan technology transitions that reduce operational and cyber risk.
What's Changing?
UK Cyber Security & Resilience Bill
- Organisational resilience
- Governance
- Accountability
- Supply-chain risk
Software Security Code of Practice
- Secure-by-design engineering
- Software development practices
- Software lifecycle management
- Supportability
Together they reinforce a common objective: improving cyber resilience across critical systems and supply chains.
Read our article: Cyber Resilience Starts With Software Engineering.
How Zircon Helps
Zircon helps organisations:
- Improve cyber resilience through software and systems engineering
- Manage software lifecycle and obsolescence risks
- Introduce new technologies safely into existing operational systems
- Improve assurance, supportability and secure-by-design practices
With more than 25 years of experience across rail, highways, defence and industrial sectors, Zircon combines software engineering, systems engineering and assurance expertise to help customers tackle complex resilience challenges.
Discuss Your Cyber Resilience Challenge
Whether you are modernising existing infrastructure, managing software lifecycle risks or developing new software-intensive systems, Zircon can help.
Talk to our team about building resilience into your software and systems engineering strategy.