The Los Angeles County Museum of Art (LACMA) has announced that a breach last year exposed customer and employee information.
The museum says that on July 11, 2025, it detected suspicious activity on its systems that had started four days earlier. A month later, the investigation confirmed that the network was compromised.
At the time, the type of exposed data could not be determined, and the first results of the investigation became available in late February 2026.
More than a year after the discovery of the data breach incident, the museum identified that the following information may have been accessed by the attacker:
LACMA says it has notified law enforcement authorities about the incident and sent personalized data breach notifications to impacted individuals.
Recipients are recommended to monitor their bank accounts for suspicious activity, consider placing a security freeze or fraud alert on their credit file, and report identity theft attempts to their financial institutions and law enforcement.
The letters include information on enrolling in a one-year identity theft and fraud protection service through Financial Shield, with an enrollment deadline of November 22.
A dedicated phone line has also been set up to provide support and answer questions for impacted individuals.
LACMA is one of the largest art museums in the western United States, housing around 155,000 works spanning 6,000 years of art history. The museum has historically attracted over one million visitors annually.
BleepingComputer has contacted LACMA with questions about the number of impacted individuals, as well as the nature of the attack, but we have not heard back as of publication.
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