Frazer LLP Data Breach: 69GB of Client Data Stolen

Frazer LLP, a certified public accounting and consulting firm based in Anaheim, California, experienced a data breach in late March 2025.

The breach was disclosed to the California Attorney General on Oct. 16, 2026.

The breach was caused by a ransomware attack that occurred over two days, on March 24 and 25, 2025.

A ransomware group known as Qilin claimed responsibility for the attack. The group posted its claim on a dark web site hosted on the Tor network. Qilin stated that it had obtained 69 gigabytes of data from the firm and threatened to publish the stolen information on April 8, 2025.

The type of personal information confirmed as exposed in this breach was full names and other personal information.

Frazer's response to the breach

Frazer LLP is offering affected individuals complimentary credit monitoring and identity protection services through IDX. Individuals who wish to enroll can visit the IDX enrollment page using the enrollment code provided in their notification letter

Affected individuals can also contact IDX by phone at 1-866-200-0933 for assistance or additional information about the incident. The deadline to enroll is Jan. 16, 2027.

The firm also set up a dedicated, confidential toll-free response line staffed with professionals who are familiar with the incident. The response line is available Monday through Friday from 9 a.m. to 9 p.m. Eastern Time.