Quantum Health (“QH”) is a Dublin, Ohio-based company specializing in healthcare navigation and care coordination. Employers hire QH to assist with benefit solution and health plan management. QH recently experienced a data security incident, potentially exposing sensitive information belonging to an undisclosed number of its customers’ employees.
On June 1, 2026, QH experienced a service outage. An investigation linked the outage to an unauthorized third-party accessing QH’s network environment following a “vishing” (voice phishing) attack. The unauthorized third-party accessed and acquired files from certain QH systems between May 29, 2026, and June 1, 2026, possibly compromising the Protected Health Information (“PHI”) and Personally Identifiable Information (“PII”) of an undisclosed number of individuals. The compromised PHI and PII includes, but is not limited to, names, health insurance policy numbers, claims information and benefits details, medical diagnoses, treatment information and prescriptions, provider names and dates of service, dates of birth, email addresses, phone numbers and mailing addresses.
If you receive a breach notice letter or email regarding the Quantum Health data breach, you can contact Goldenberg Schneider, LPA for additional information about your legal rights by calling 513-982-1569, sending an email to [email protected] or completing the “Contact Us” form to the right.