Platt, Miller & Jacobs 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 Platt, Miller & Jacobs, CPAs, LLP 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 Platt, Miller & Jacobs
Platt, Miller & Jacobs, CPAs, LLP is a Santa Cruz, California-based accounting firm with a long history in the community. The firm has served businesses, individuals and non-profits since 1938, offering a range of financial services including tax compliance, accounting, financial reporting and decision support.
What Happened?
On March 11, 2026, Platt, Miller & Jacobs discovered that an unauthorized user had gained access to an employee’s Microsoft Outlook email account the previous day.
The threat actor used this access to send phishing emails to some clients. While the firm reports that its tax return and file storage systems were not accessed, the investigation found that sensitive personal information in emails was accessible to the unauthorized user.
The breach was reported to the Massachusetts Attorney General on Sept. 28, 2026.
Information Exposed:
- Dates of birth
- Social Security numbers
- Addresses
- Emails
- Phone numbers
- Financial account information
- Driver’s licenses
- State identifications
- Credit/debit numbers
You May Be Entitled to Compensation
If your personal information was exposed in the Platt, Miller & Jacobs data breach, you may be entitled to compensation. Lawyers are ready to help individuals affected by this incident understand their rights and pursue claims for damages related to identity theft, financial losses or the time and effort spent protecting themselves.
To find out if you are eligible to join a lawsuit or claim compensation, complete the below form.
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