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Ransomware Attacks in Connecticut Expose Data of Over 12,600 Residents

Ransomware Attacks in Connecticut Expose Data of Over 12,600 Residents

First seen 18 Sep 2026, 15:57 UTC • •
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ThreatCluster AI
ThreatCluster •September 18, 2026 at 16:58 UTC
  • •Over 12,600 residents' data potentially exposed in Connecticut ransomware attacks.
  • •New Britain and Meriden experienced significant disruptions to city services.
  • •Cities have initiated investigations and security measures following the breaches.

Ransomware attacks on the municipal networks of New Britain and Meriden, Connecticut, earlier this year may have compromised sensitive personal information of over 12,600 residents. The attacks occurred between January and March 2026, with New Britain reporting 10,339 affected individuals and Meriden reporting 2,325. Exposed data includes names, dates of birth, Social Security numbers, and financial information. New Britain became aware of the data exposure on February 1 and notified residents on March 27, while Meriden notified affected residents on June 2 after discovering the breach in May. Both cities have initiated investigations and taken steps to secure their systems, but the current status of the investigations remains unclear. The increasing trend of ransomware attacks, particularly those targeting municipalities, has raised concerns among cybersecurity experts.

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Timeline

2026-01-23
New Britain ransomware attack begins
Ransomware attack disrupts city services, affecting personal data of residents.
Ctexaminer
2026-01-28
New Britain ransomware attack ends
The attack concluded, but the city became aware of data exposure on February 1.
Ctexaminer
2026-02-09
Meriden ransomware attack begins
Another ransomware attack affects Meriden, disrupting city services.
Ctexaminer
2026-03-13
Meriden ransomware attack ends
The attack concluded, with the city discovering data exposure in May.
Ctexaminer
2026-03-27
New Britain notifies residents
Residents are informed of the potential data exposure nearly two months after the attack.
Ctexaminer
2026-06-02
Meriden notifies residents
Affected residents are notified of the data exposure following the attack.
Ctexaminer

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Extracted Entities (6)

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