Why Local Government Reorganisation Creates a Cyber Risk Window

Organisational change brings new cyber security challenges

Local Government Reorganisation (LGR) presents a valuable opportunity to modernise services, improve efficiency and reshape how councils operate. However, alongside these benefits comes an often-overlooked challenge: cyber risk.

Periods of organisational change naturally create complexity. Systems are consolidated, teams evolve, suppliers change and new ways of working are introduced. While these changes are essential to achieving long-term goals, they can also create temporary gaps in visibility, governance and security if not carefully managed.

For cyber criminals, these moments of change can present opportunities.

Cyber Risk Is Increasing

Ransomware attacks against UK businesses doubled in 2025, with an estimated 19,000 organisations affected over the previous 12 months. Source - GOV.UK

Why this Matters

Periods of organisational change can stretch internal resources and increase operational complexity. As ransomware continues to rise, maintaining visibility, strong governance and effective incident response throughout Local Government Reorganisation is essential. Cyber resilience shouldn’t pause during transformation, it should evolve alongside it.

Why does cyber risk increase during LGR?

Every council has its own technology estate, security controls, suppliers and operational processes. Bringing multiple organisations together means combining:

  • IT infrastructure
  • User identities and access permissions
  • Third-party suppliers
  • Applications and data
  • Security monitoring tools
  • Policies and governance processes
 

Managing these moving parts is challenging, even for well-prepared organisations.

As priorities shift towards delivering the transition, internal teams often face increased workloads and competing demands. Without careful planning, routine security activities such as access reviews, supplier assurance and monitoring optimisation can become secondary priorities.

Change Creates Opportunity for Everyone

Cyber attackers don’t wait for programmes to finish before launching attacks.

Instead, they often look for organisations experiencing significant change, where processes are evolving, responsibilities are shifting and visibility may be reduced.

This doesn’t mean LGR itself creates vulnerabilities. Rather, it highlights the importance of maintaining strong cyber resilience throughout the programme instead of treating security as a task to complete once the transition is over.

Maintaining resilience throughout the transition

Councils can reduce cyber risk by ensuring cyber resilience remains embedded within every stage of Local Government Reorganisation.

Key priorities include:

  • Maintaining visibility across legacy and future environments.
  • Regularly reviewing privileged access.
  • Understanding third-party supplier risk.
  • Aligning incident response plans with the evolving organisation.
  • Providing leadership with clear reporting and assurance.
  • Ensuring security monitoring evolves alongside operational changes.
 

By addressing these areas early, councils are better positioned to continue delivering critical public services while managing the complexities of organisational change.

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Cyber resilience should evolve alongside the organisation

Successful Local Government Reorganisation isn’t just about bringing councils together it’s about ensuring security keeps pace with every stage of that journey.

The strongest outcomes come when cyber resilience is treated as a continuous part of the transformation programme, helping councils maintain visibility, reduce risk and protect the services communities rely on every day.

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