Harding, Shymanski & Company Data Breach Investigation

Turke & Strauss LLP, a leading data breach law firm, is investigating Harding, Shymanski & Company, P.S.C. regarding its recent data breach. The Harding, Shymanski & Company data breach involved sensitive personal identifiable information belonging to an undetermined number of individuals.


Harding, Shymanski & Company is a public accounting firm offering accounting and auditing, advisory, outsourcing, wealth management, tax consulting and compliance, and medical billing services. Accordingly, Harding, Shymanski & Company specializes in payroll, valuation, retirement plan administration, employee benefit plan audits, and more. Founded in 1975, Harding, Shymanski & Company serves a variety of clients ranging from small proprietorships to billion-dollar corporations in the finance, communications, construction, mining, manufacturing, non-profit, wholesale, retail, transportation, government, health care, and service industries. With offices in Evansville, Indiana, and Louisville, Kentucky, Harding, Shymanski & Company serves clients throughout Southern Indiana and Kentucky.


On March 15, 2023, Harding, Shymanski & Company discovered that it had experienced a data breach in which the sensitive personal identifiable information in its systems may have been accessed. Through its investigation, Harding, Shymanski & Company determined that an unauthorized actor may have accessed this sensitive information and client’s tax return information through a compromised client account. On April 11, 2023, Harding, Shymanski & Company began contacting individuals whose information may have been impacted. The type of information exposed includes:

  • Name
  • Social Security number
  • Driver’s license number
  • Date of birth
  • Bank account information (e.g., bank account number, routing number)
  • Investment or brokerage account information

If you received a breach notification letter from Harding, Shymanski & Company, P.S.C.:

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 sam@turkestrauss.com.

If you were impacted by the Harding, Shymanski & 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 any free credit monitoring services provided by Harding, Shymanski & Company, P.S.C.;
  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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