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Highmark Data Breach

On December 15, 2022, Highmark, Inc. (“Highmark”) became aware of an unauthorized intrusion on its company email account. Based on a forensic investigation, Highmark confirmed that between December 13, 2022 and December 15, 2022, cybercriminals gained unauthorized access to confidential emails containing sensitive personal information of at least 300,000 individuals.

Did You Receive a Data Breach Letter From Highmark?

The personal information accessed by cybercriminals includes:

  • Names
  • Social Security numbers
  • Financial account information
  • Medical information
  • Addresses
  • Phone numbers
  • Email addresses

As a result of the data breach, these individuals’ personal and highly confidential information may be in the hands of cybercriminals who can place the information for sale on the dark web or use the information to perpetrate identity fraud.

Murphy Law Firm is investigating claims on behalf of all individuals whose personal and confidential information was potentially compromised in the data breach involving Highmark. We are evaluating legal options, including a potential class action lawsuit, to recover damages for individuals who were affected by the data breach.

Join a class action lawsuit

If you received a breach notification letter and would like information about your legal rights and options for compensation, please provide your information above or contact us at or (405) 389-4989.