KMJ Corbin & Company Data Breach Investigation

Turke & Strauss LLP, a leading data breach law firm, is investigating KMJ Corbin & Company LLP regarding its recent breach. The KMJ Corbin & Company data breach involved sensitive personal information belonging to an undisclosed number of individuals.


KMJ Corbin & Company is an accounting firm with office locations in Costa Mesa and Woodland Hills, California. KMJ Corbin & Company provides accounting, auditing, tax, and consulting services to public and private companies throughout Southern California. Founded in 1983, KMJ Corbin & Company services companies in the technology, manufacturing, distribution, life sciences, not-for-profit, professional services, and real estate industries.


On October 22, 2021, KMJ Corbin & Company discovered that it had experienced a data breach in which the sensitive personal information in its system may have been accessed and acquired. Through an investigation, KMJ Corbin & Company determined that an unauthorized actor may have acquired personal information belonging to individuals in its system. On July 13, 2022, KMJ Corbin & Company began notifying individuals whose information may have been impacted. The exact type of personal information has not been made publicly available by KMJ Corbin & Company. However, according to state reporting guidelines, “personal information” can include the following types of information:

  • Name
  • Social Security number
  • Driver’s license number
  • Financial information
  • Medical information
  • Taxpayer information
  • Personal identification number issued by the United States IRS

If you received a breach notification letter from KMJ Corbin & Company LLP:

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 (608) 237-1775 or

If you were impacted by the KML Corbin & Company data breach, you may consider taking the following steps to protect your personal information.

  1. Carefully review the breach notice and retain a copy;
  2. Enroll in the free credit monitoring service provided by KMJ Corbin & Company LLP;
  3. Change passwords and security questions for online accounts;
  4. Regularly review account statements for signs of fraud or unauthorized activity;
  5. Monitor credit reports for signs of identity theft; and
  6. Contact a credit bureau(s) to request a temporary fraud alert.

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