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City of Hamilton ransomware attack

Disclosed
February 25, 2024
Sector
Government
Province or territory
Ontario
People affected Not disclosed
Data exposed
A ransomware attack shut down dozens of the city's services, including online payments and phone lines. Hamilton refused to pay and rebuilt its systems at a cost of more than $5.7 million; it said there was no indication personal information was stolen. Ontario's privacy commissioner later directed the city to notify people whose information was encrypted.
Cause
Ransomware
Status
Resolved
Sources