Ransomware
HIPAA Journal
Primary Source βIncident Details
ARC Community Services, a Wisconsin-based nonprofit providing community living and support services for people with intellectual and developmental disabilities, announced a November 2024 ransomware attack in early 2025. The attack compromised personal information of clients and employees including names, Social Security numbers, dates of birth, financial account information, and health/treatment information. The incident highlights the vulnerability of smaller human services nonprofits that handle sensitive medical and personal data but often lack robust cybersecurity resources.
Technical Details
- Initial Attack Vector
- CWE-284: Improper Access Control
- Vendor / Product
- ARC Community Services administrative systems
Timeline
- 2024-11-01 Breach occurred
- 2025-01-01 Publicly disclosed
- 2025-01-01 Customers notified