City of Hamilton security incident history
Hacking, data breaches and other security incidents involving City of Hamilton, with related coverage.
City of Hamilton denies personal data was shared in another data breach
Another data breach occurred at the City of Hamilton. The city said no personal information was shared in this incident.
Read on CTV News ↗Ransomware attack disrupts municipal services in Hamilton, Canada
Impact: Municipal services disrupted and automatic tax payments suspended
The city of Hamilton in Canada was hit by a ransomware attack that disrupted municipal services. On March 6, the recovery timeline remained uncertain, and on April 4, plans to resume automatic tax payments were announced.
Related reports: 3 · last report →Ransomware Attack Paralyzes Services in Hamilton, Canada
Impact: Paralyzed municipal services, disrupted overtime pay, and incident-related costs of 7.4 million Canadian dollars
The City of Hamilton, Canada, was hit by a ransomware attack in February 2024 that paralyzed municipal services and disrupted overtime pay for employees. The city decided not to pay the ransom, and incident-related costs reached 7.4 million Canadian dollars by August 2024. It later emerged that the city had known about serious cybersecurity weaknesses for years before the attack.
Related reports: 12 · last report →