Blair C Diaz CPA PC Data Breach Exposes Client Financial Information
By Data Breach Law Group | Posted on September 28, 2026 · Indiana
Blair C Diaz CPA PC, an Indiana accounting firm, reported a data breach on September 28, 2026, that exposed clients' sensitive financial and personal data. This incident has prompted an investigation into how this information became vulnerable and what steps affected individuals can take to protect themselves.
Blair C Diaz CPA PC, a professional accounting and financial services firm based in Indiana, recently announced a data breach affecting client information. The breach, which occurred on or about July 2, 2026, was formally reported to authorities on September 28, 2026, and is now under investigation.
The compromised data categories include highly sensitive personal and financial details. According to reports, the exposed information may include individuals' Full Name, Social Security Number, Date of Birth, Tax Return Information, Wage and Compensation Information, Financial Account Number, Routing Number, and Mailing Address. The exposure of such detailed information places affected individuals at significant risk for identity theft, fraudulent tax filings, and unauthorized financial account access.
As a firm handling extensive confidential client data, Blair C Diaz CPA PC had a legal and regulatory duty to implement robust security measures. These obligations include safeguarding sensitive information against unauthorized access, as mandated by state data protection statutes and common-law duties of care. A breach of this nature suggests potential failures in these critical security protocols or administrative oversights.
If you have received a data breach notification letter from Blair C Diaz CPA PC, it confirms that your personal and financial information was compromised. Receiving such a notice often establishes the necessary legal standing to pursue a claim. Our firm is currently investigating this incident and is offering free case reviews to help affected individuals understand their legal options. There are no out-of-pocket costs to you unless we successfully recover compensation on your behalf.
Source: Indiana Attorney General breach notification record
If you were affected
Freeze your credit
Place a free credit freeze with Equifax, Experian, and TransUnion. A freeze blocks new accounts from being opened in your name and can be lifted anytime.
Guard against tax fraud
File your tax return as early as possible and consider requesting an IRS Identity Protection PIN so no one can file a fraudulent return in your name.
Watch your financial accounts
Review bank and card statements for unfamiliar activity and turn on transaction alerts. Report anything you don't recognize to your bank right away.
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
Did you receive a letter from Blair C Diaz CPA PC?
A case review is free and confidential. Tell us about your letter and we will explain your options.