Incident BriefingsQueens Public Library ransomware outage

Queens Public Library ransomware outage

The library attributed a network outage to ransomware and restored Wi-Fi and checkout machines while other services remained unavailable.

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Summary

  • Environment: Library network, website, mobile app and public computers
  • Operational impact: Digital services and renewals disrupted; branches remained open
  • Financial impact: No incident cost publicly quantified
  • Record status: Developing record. Reviewed November 8, 2026; updated as evidence emerges.

What happened

Queens Public Library said a ransomware attack caused a network outage affecting all locations. Its outage notice listed disruption to the library website, mobile app, on-site computers and digital media services. [1]

Impact

  • Branches remained open on their regular schedules, although some virtual and in-person programs could be affected. [1]
  • Renewals were unavailable alongside the affected digital services. [1]
  • The library reported that Wi-Fi at open locations and checkout and return machines had been restored. [1]

The notice does not establish whether personal data was accessed or stolen, or how many people were affected.

Timeline

  1. Briefing updated

    This briefing was last reviewed and updated on November 8, 2026.

Threat Group & Attack Vector

The library identified ransomware as the cause of the outage. Its notice does not establish the initial access method or a precise attack date. [1]

Actors

  • No threat actor group has been identified in the reviewed public evidence.

TTPs

  • No specific MITRE ATT&CK technique is currently mapped for this case.

Response

The library was working to restore full network and system access. Its notice warned that recovery would take time but did not give a completion date. [1]