Highmark Health Data Breach Investigation

Turke & Strauss LLP, a leading data breach law firm, is investigating Highmark Health regarding its recent data breach. The Highmark Health data breach involved sensitive personal identifiable information and protected health information belonging to approximately 300,000 individuals.


Highmark Health is a national health and wellness organization, and one of the largest health insurance providers in the United States. As a provider of health care plans, Highmark Health offers a wide variety of healthcare services from health insurance and health care delivery to population health management and dental solutions. Headquartered in Pittsburgh, Pennsylvania, Highmark Health has locations in Pennsylvania, Delaware, West Virginia, New York, and the District of Columbia. With over 40,000 employees, Highmark Health serves over 40 million Americans across all 50 states and has an annual revenue of approximately $22 billion.


On December 15, 2022, Highmark Health discovered that it had experienced a data breach in which the sensitive personal identifiable information and protected health information in its systems may have been accessed. Through its investigation, Highmark Health determined that an unauthorized actor may have accessed this sensitive information between December 13 and December 15, 2022. On February 13, 2023, Highmark Health began contacting individuals whose information may have been impacted. The type of information exposed includes:

  • Name
  • Social Security number
  • Address
  • Health insurance information
  • Claims or treatment information
  • Contact information
  • Dates of service
  • Financial information
  • Group name
  • Prescription information
  • Procedures

If you received a breach notification letter from Highmark Health:

We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at (608) 237-1775 or sam@turkestrauss.com.

If you were impacted by the Highmark Health data breach, you may consider taking the following steps to protect your personal information.

  1. Carefully review the breach notice and retain a copy;
  2. Enroll in any free credit monitoring services provided by Highmark Health;
  3. Change passwords and security questions for online accounts;
  4. Regularly review account statements for signs of fraud or unauthorized activity;
  5. Monitor credit reports for signs of identity theft; and
  6. Contact a credit bureau(s) to request a temporary fraud alert.

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