An investigation began after an error caused IRS 1095-B forms to be directed to the wrong addresses, state officials told the online publication.
Arizona’s Medicaid program, the Arizona Health Care Cost Containment System, has notified the affected patients.
The forms contained names and dates of birth. No Social Security numbers were compromised.
Arizona Medicaid provides benefits to 1.87 million people.
More articles on cybersecurity:
National Science Foundation awards $1M to Massachusetts university for translational research
Update: 5 more hospitals affected by vendor data breach
Ransomware attack affects 15,000 patients at Michigan health system
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