Strauss Borrelli PLLC, a leading data breach law firm, is investigating Oakland Museum of California (“OMCA”) regarding its recent data breach. The OMCA data breach involved sensitive personal information belonging to an undetermined number of individuals.
ABOUT OAKLAND MUSEUM OF CALIFORNIA:
OMCA is a museum based in California. Founded in 1969, OMCA offers a collection and range of exhibitions exploring the art, history, and natural sciences of California.2,3,4 Additionally, OMCA hosts various events and field trips across its gallery space and terraced garden space.2,3 Headquartered in Oakland, California, OMCA employs over 50 individuals.3
WHAT HAPPENED?
Recently, OMCA reported to the Attorney General of California that it had experienced a data breach in which sensitive personal identifiable information in its care may have been compromised. According to the breach notice, on or about July 13, 2025, OMCA observed unusual activity that disrupted access to certain IT systems within its network.1 As a result, OMCA launched an investigation to determine the nature of the incident.
Through its investigation, OMCA confirmed that sensitive personal information in its systems may have been accessed by an unauthorized third party between July 10 and July 13, 2025. As a result, OMCA began a review of the data to determine what information had been impacted as well as identify the specific individuals affected. While the information impacted varies depending on the individual, the type of information potentially exposed includes:5
- Name
- Social Security number
As a result of the breach, OMCA began mailing data breach notification letters to impacted individuals. Based on the breach notice sent to California residents, OMCA is providing affected individuals with a list of the specific types of sensitive information impacted and complimentary credit monitoring services. A link to the breach notification letters that OMCA filed with the Attorney General of California is below.
If you received a breach notification letter from Oakland Museum of California:
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 872.263.1100 or sam@straussborrelli.com.
