College Hospital Costa Mesa Data Breach Investigation
The data breach lawyers at The Lyon Firm are investigating a data security incident reported at College Hospital Costa Mesa in California. An unknown number of individuals may have had their personal data compromised in the breach, and more details should be included in data breach notification letters sent to all known to be impacted.
Contact our legal team to discuss how to protect yourself following any data breach event and to consider taking legal action. We have filed numerous data breach lawsuits on behalf of plaintiffs in California and nationwide. Call for a free case review and consultation.
We believe very strongly that any healthcare entity that collects and stores your personal information has a legal and ethical duty to protect it with robust IT security. If any organization fails to keep your private data safe, they may be held accountable for any damages that result.
What Happened at College Hospital Costa Mesa?
College Hospital Costa Mesa (CHCM) has reported in a data privacy incident notice posted on their website, that on September 17, 2024, they learned of an incident that disrupted internal IT systems. After an investigation with the help of third-party forensic experts, CHCM concluded that a threat actor accessed files on their systems between August 14, 2024 and September 17, 2024.
On January 31, 2025, Costa Mesa determined the files contained sensitive personal and health information that could include the following: names, Social Security numbers, dates of birth, date of services, diagnosis, or other information.
Operating out of LA County and Orange County, College Hospital Costa Mesa offers a range of general medicine, youth, geriatric, outpatient, chemical dependency, adult psychiatric, and other services.
It is important to take certain measures to protect yourself from fraud and medical identity theft following any known cyberattack and data breach that may have leaked your personal data. Contact our attorneys to learn more about new and existing class action litigation.