On December 13, 2023, Prospect Medical Holdings, Inc. (“Prospect Medical”) filed a notice of data breach with the Attorney General of California after discovering that information provided to the company by Humana, Inc. (Humana”) was subject to unauthorized access. In this notice, Prospect Medical explains that the incident resulted in an unauthorized party being able to access consumers’ sensitive information, which includes their names, Social Security numbers, addresses, dates of birth, diagnoses, lab results, medications, treatment information, health insurance information, provider names, and dates of treatment. Upon completing its investigation, Prospect Medical began sending out data breach notification letters to all individuals whose information was affected by the recent data security incident.

If you received a data breach notification from Prospect Medical Holdings, Inc., or Humana, it is essential you understand what is at risk and what you can do about it. A data breach lawyer can help you learn more about how to protect yourself from becoming a victim of fraud or identity theft, as well as discuss your legal options following the Prospect Medical data breach. For more information, please see our recent piece on the topic here.

What Caused the Data Breach Affecting Humana Patients?

The Prospect Medical data breach was only recently announced, and more information is expected in the near future. However, Prospect Medical’s filing with the Attorney General of California provides some important information on what led up to the breach. According to this source, Prospect Medical and its subsidiaries, including Prospect Medical Systems, LLC, provide administrative services for healthcare providers that contract with Humana.

On September 29, 2023, Prospect Medical notified Humana of the data security incident. On August 1, 2023, Prospect Medical identified suspicious activity within its IT network. In response, Prospect Medical took steps to contain the incident, which involved taking all systems offline. Prospect Medical then launched an investigation into the incident with the help of third-party forensic specialists.

The Prospect Medical investigation confirmed that one or more unauthorized parties were able to access the company’s computer network between July 31, 2023 and August 3, 2023. It was also determined that the unauthorized parties accessed and acquired confidential Humana patient information.

After learning that sensitive consumer data was accessible to an unauthorized party, Prospect Medical reviewed the compromised files to determine what information was leaked and which consumers were impacted. While the breached information varies depending on the individual, it may include your name, Social Security number, address, date of birth, diagnoses, lab results, medications, treatment information, health insurance information, provider name, and dates of treatment.

On December 13, 2023, Prospect Medical sent out data breach letters to anyone who was affected by the recent data security incident. These letters should provide victims with a list of what information belonging to them was compromised.

More Information About Prospect Medical Holdings, Inc.

Founded in 1996, Prospect Medical Holdings is a holding company based in Los Angeles, California. Prospect Medical operates a network of 16 hospitals in California, Connecticut, Pennsylvania, New Jersey, and Rhode Island, as well as a network of over 165 healthcare facilities. Prospect Medical Holdings employs more than 18,000 people and generates approximately $1.9 billion in annual revenue.