2026 Health Dimensions Group — contractor SSNs (unauthorized file access)
Data compromised
Full names, Social Security numbers (independent contractors)
Technical writeup
Health Dimensions Group disclosed on March 11, 2026 that an investigation concluded November 6, 2025 found unauthorized access to files containing full names and Social Security numbers of independent contractors. No specific threat actor was identified publicly. HDG provides consulting and operational services to long-term and post-acute care providers.
Root cause
Unauthorized third-party access to files