Summary of the Incident: Hamilton experienced a ransomware attack starting February 25, 2024, impacting its IT systems but leaving critical services like emergency services, water treatment, and transit operational.
The city swiftly engaged with cybersecurity experts, legal counsel, and relevant authorities to mitigate the impact, restore services, and investigate data exposure.
The impact of the cyberattack on the City of Hamilton was extensive, affecting a wide range of services. Critical services like transit, water and wastewater treatment, and emergency services remained operational.
However, many services experienced disruptions, including telephone lines, online payment systems, vendor payments, building permit applications, and public health services.
There was a significant effort to process transactions manually where possible, and investigations were underway to determine if personal information was accessed or compromised.
The incident required a comprehensive response to restore services and ensure security, highlighting the importance of cybersecurity preparedness and response capabilities.
Threat Actor and Method: The specific threat actors remain unidentified, but the method used was ransomware, a type of malware that encrypts files, demanding ransom for decryption keys.
Such attacks often exploit vulnerabilities in software or phishing tactics to gain unauthorized access.
Hamilton’s Response and Preparedness: Hamilton’s immediate response included engaging with cybersecurity professionals and legal teams, maintaining critical services, and keeping the public informed. The recovery plan and preparation level details weren’t explicitly stated, but the actions taken suggest a structured response mechanism was in place.
Timeline:
- February 25, 2024: Cyberattack begins.
- March 4, 2024: City confirms the attack as ransomware.
- Ongoing efforts to restore services and investigate the incident.
In essence, the City of Hamilton’s handling of the ransomware attack underscores the importance of preparedness, rapid response, and transparent communication in managing cyber incidents.