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Langwasser & Company CPAs Data Breach Lawsuit Investigation
Shamis & Gentile P.A., one of the nation's premier class action law firms specializing in data breach cases, is investigating the Langwasser & Company CPAs data breach.
If you were affected by the data breach, your sensitive personally identifiable information may have been exposed, and you may be eligible for compensation.
About Langwasser & Company CPAs
Langwasser & Company CPAs is a full-service accounting firm based in Upland, California. The firm serves clients throughout Southern California and across the United States, providing a wide range of services including tax planning and preparation, accounting, financial statements, tax audits, financial planning, bookkeeping, business consulting, estate and gift planning, IRS representation and litigation support.
Founded in 1991 by Karin Langwasser, the firm has built a reputation for delivering personalized service to both individuals and businesses. The partnership has grown to include additional partners and experienced staff, with a focus on dedication and integrity.
What Happened?
On May 5, 2026, Langwasser & Company CPAs discovered that a number of unauthorized tax returns were filed. The incident was reported to the California and Massachusetts attorneys general on Aug. 17, 2026.
According to official disclosures, the following types of consumer information were exposed:
Information Exposed:
- Financial account information
- Social Security numbers
You May Be Entitled to Compensation
If your information was exposed in the Langwasser & Company CPAs data breach, you may be eligible for compensation. Lawyers are ready to help affected individuals understand their rights and pursue claims for damages related to identity theft, financial losses or other harm resulting from the breach.
To find out if you qualify and to take the next step, complete the below form to join a potential lawsuit and protect your rights.
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