GROUP HEALTH COOPERATIVE OF SOUTH CENTRAL WISCONSIN
ent_019e0d7b8b4d753119b5a2cc678f9c7e
Disclosures
4
State AG · HHS OCR · 3 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
533,809
nationwide · HHS OCR WI
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- GROUP HEALTH COOPERATIVE OF SOUTH CENTRAL WISCONSIN
- Normalized
- group health cooperative of south central wisconsin— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- 254900RKEFZSC7WTFJ77
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (4)newest first
- Massachusetts State AGas victim2024-04-08
Group Health Cooperative of South reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-04-08. 931 Massachusetts residents were affected.
- WISCONSINHHS OCRas victim2024-04-08
Group Health Cooperative of South Central Wisconsin (a Health Plan, WI) reported to HHS on 2024-04-08 a ransomware attack affecting 533,809 individuals. PHI on network servers was compromised, including names, Social Security numbers, addresses, dates of birth, and medical record numbers. The CE notified HHS, affected individuals, and the media, provided substitute notice and complimentary credit monitoring, and implemented additional administrative, technical, and security safeguards. Staff were retrained on PHI protection.
- Maine State AGas victim2024-04-08
Group Health Cooperative of South Central WI reported a data breach affecting 533,809 individuals. The breach, described as an external system hack, occurred on January 24, 2024, and was discovered the following day. Compromised information included names and Social Security numbers. The organization began notifying affected individuals on February 9, 2024, and offered 12 months of identity theft protection services.
- Wisconsin State AGas victim2024-02-09
Group Health Cooperative of South Central Wisconsin (GHC-SCW) reported a data breach to the Wisconsin DATCP. The public was notified on 2024-02-09. The incident occurred on On or before January 25, 2024. Data accessed: Names, Social Security numbers, addresses, telephone numbers, e-mail addresses, dates of birth and/or death, member numbers, and Medicare and/or Medicaid numbers. 533,809 individuals were affected.