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Ransomware

Toronto Public Library ransomware leads to data theft and service outage

First reported · Last reported · 14 related reports

Toronto Public Library was hit by a ransomware attack on October 28, 2023, disrupting online accounts, digital collections, public computers and printing services. A large amount of data was stolen from a file server, and the leak of personal information including employees' Social Insurance Numbers was confirmed. It was also suggested that copies of employees' identification documents since 1998 and some information on patrons, volunteers and donors may have been affected. The library restored services in stages and in December 2024 released the results of its lengthy investigation.

Key facts

Affected organization
Toronto Public Library
Incident type
Ransomware
Occurred / detected
2023-10-28
Scale of damage
Theft of file server data including employees' personal information, and disruption of library services
Cause / method
Ransomware attack leading to theft of file server data
Location
Canada

If your data was exposed

Exposed dataNational ID numberID document copy

    Timeline

    1. Toronto Public Library was hit by a cyberattack, disrupting services including online accounts and digital collections.
    2. The library said the service outage was caused by a ransomware attack.
    3. The theft of personal information including employees' Social Insurance Numbers was confirmed.
    4. The library restored borrowing, returns and holds services.
    5. The library brought additional systems back online.
    6. The library released the results of its roughly year-long investigation into the cyberattack.

    14 related reports

    The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.