Cyber Incident Victim: Humberside Fire and Rescue Service
Date:
May 2023
Location:
United Kingdom
Summary
Humberside Fire and Rescue Service experienced a ransomware attack that disrupted multiple systems, initially affecting a server supporting home fire safety operations before spreading to broader organizational functions. The incident necessitated isolating compromised systems while maintaining emergency response capabilities, requiring clear internal communication to manage operational continuity for over 1,000 staff without explicitly labeling it a cyber-attack. Critical data loss prompted system rebuilds and strategic shifts toward cloud-based infrastructure to mitigate future risks, alongside enhanced staff cybersecurity training to address human vulnerabilities. The attack underscored dependencies on ICT for core operations, driving reevaluation of business continuity planning, data protection assessments, and organizational accountability for data management.
| CIA Posture | Motives | Tactics, Techniques & Procedures |
|---|---|---|
| Available to members | 3 motives | 1 technique |
| Threat Actors | Type | Location |
|---|---|---|
| 0 actors | Available to members | Available to members |
Description
In May 2023, Humberside Fire and Rescue Service (HFRS) experienced a disruptive cyber incident that began when staff encountered inaccessible servers dedicated to home fire safety activities. Initial investigations revealed the issue extended to multiple systems, with the impact spreading to additional organizational functions throughout the day. The incident compromised access to critical data and IT infrastructure, forcing HFRS to prioritize isolating affected systems from operational command and control networks to maintain emergency response capabilities. Service continuity efforts focused on preserving responsiveness to emergency calls and sustaining public-facing operations despite escalating technical disruptions. Communication challenges emerged due to the need to inform over 1,000 personnel about the evolving situation without causing unnecessary alarm. Internal messaging initially described the event as an "ICT incident" before later specifying it as a "cyber incident," deliberately avoiding explicit references to a ransomware attack or adversarial attribution in official updates.
The attack resulted in permanent data loss and necessitated extensive system rebuilding, prompting HFRS leadership to reevaluate their ICT strategy. This reassessment led to adopting a cloud-first technology approach to reduce operational burdens despite acknowledging higher associated costs. Post-incident analysis highlighted human factors as persistent vulnerabilities, driving investments in organization-wide cybersecurity training programs. The service implemented stricter data governance measures including Data Protection Impact Assessments and formalized retention schedules to clarify departmental responsibilities. Operational disruptions underscored the organization's dependence on interconnected ICT systems, from emergency call handling to resource coordination. Assistant Chief Fire Officer Matthew Sutcliffe noted the incident accelerated modernization efforts that had previously been deprioritized in favor of frontline service investments. While causing significant operational strain, the event ultimately served as a catalyst for strategic ICT realignment and heightened cybersecurity awareness across all organizational levels.