HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)BiometricHighContained

Children's Center of Hamden

bd_d0190560b08f69dd · schema v1 · pii pii-v1

Severity

High

Discovered

Dec 28, 2024

Filed

Aug 28, 2025

To disclose

35 weeks

Affected · nationwide

5,2133 in this filing

Linked

3 filings

Confidence

67%

Full breach record for Children's Center of Hamden →

The Children's Center of Hamden, Inc. (a healthcare provider in CT) reported an external system breach (hacking) discovered on Dec 28, 2024. Unauthorized acquisition of files containing PII (names, SSNs, DOBs, driver's licenses, biometric data) and PHI affected 5,213 individuals total, including 3 Maine residents. Notices were sent on Aug 28, 2025, offering 12 months of TransUnion credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Dec 28, 2024 → Filed with AG Aug 28, 2025243d ✗ ME AG >90d35 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 35 weeks / 243 days

Dec 28, 2024

Discovered

Aug 28, 2025

Filed

vs. sector median

+23 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_701e3e5e07fffa312025-08-28Verified
Vermont State AGbd_cfdb015f9b5af4572025-08-27 · +1dCandidate

Name: Constangy, Brooks, Smith & Prophete, LLP
norm: constangy brooks smith prophete

Name: Children's Center of Hamden
norm: children s center of hamden
Industry: Healthcarellm

Discovered: Dec 28, 2024
Materiality determined: —
Notification sent: Aug 28, 2025
Affected individuals: 5,213state + nationwide
Data types: Identity (basic)Government IDHealth (basic)Biometric
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified Maine Attorney General's Office
Initial access: exploit_public_facing

During the incident: Initiated an investigation with the assistance of independent cybersecurity experts
Undertook a comprehensive review of those files
Moved quickly to investigate and respond to the incident
Assessed the security of TCCOH systems
Identified potentially affected individuals
Enlisted outside cybersecurity experts to conduct a forensic investigation
Secured the network
Changes made: Working to implement additional safeguards and training to its employees
Providing access to credit monitoring services for 12 months through TransUnion
Implemented additional security measures to help reduce the risk of a similar incident occurring in the future
Offering complimentary credit monitoring and identity theft protection services, including a $1,000,000 identity theft insurance policy
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 35 weeks(243 days from discovery to filing)
Compliance flags: ME AG >90d · 243dME resident >60d · 243d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Dec 28, 2024
→ Filed with AG: Aug 28, 2025
243d 90 days ME AG >90d
Maine
Discovered: Dec 28, 2024
→ Notified: Aug 28, 2025
243d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Dec 28, 2024 → Filed with AG: Aug 28, 2025	243d	90 days	ME AG >90d
Maine	Discovered: Dec 28, 2024 → Notified: Aug 28, 2025	243d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Vermont State AGAug 27 · first

Massachusetts State AG+1d

Maine State AG+1d · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/dce291ae-3215-418f-9d5f-fd5018617929.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 28, 2025
Raw hash: d147d90e4612dd0b0e8ec4e4b7827ca6771346d3a9445252823c07133c1f4fda

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityConstangy, Brooks, Smith & Prophete, LLP

Victim entityChildren's Center of Hamden

Incidentdiscovered Dec 28, 2024

Stated responseInitiated an investigation with the assistance of independent cybersecurity experts

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov