We are taking claims for the Guthmann Tax Services, Inc data breach—an event which exposed sensitive data of countless individuals. If you interacted with Guthmann Tax Services, Inc, your information was likely hacked by cybercriminals. That’s serious. They can open accounts in your name, file for your tax return, take your identity, contact your employer, mess up your credit, etc. If the Guthmann Tax Services, Inc data breach concerns you, take action. We can help you.
Cole & Van Note is investigating a data breach at Guthmann Tax Services, Inc., a financial services company in Wisconsin.
Between June 16 and June 18, 2025, an unauthorized party accessed the systems of Guthmann Tax Services. On June 25, they discovered fraudulent tax returns filed using clients’ information. A forensic investigation confirmed data was transferred out by this unauthorized access. In total, this data breach affected 2,826 individuals.
The breached data includes names, gender, dates of birth, phone numbers, addresses, Social Security numbers (SSNs), employment details like W-2s and 1099s as well as direct deposit bank account info including routing numbers. This exposure poses significant risks such as identity theft and financial fraud for those affected. [1]
Considering the number of people impacted by this event, Cole & Van Note’s data breach attorneys are considering legal action on behalf of those affected. If you have received notice of this data security incident, we urge you to contact us so we can help you with your case.
Cole & Van Note is investigating a data breach at Guthmann Tax Services, Inc., a financial services company in Wisconsin.
Between June 16 and June 18, 2025, an unauthorized party accessed the systems of Guthmann Tax Services. On June 25, they discovered fraudulent tax returns filed using clients’ information. A forensic investigation confirmed data was transferred out by this unauthorized access. In total, this data breach affected 2,826 individuals.
The breached data includes names, gender, dates of birth, phone numbers, addresses, Social Security numbers (SSNs), employment details like W-2s and 1099s as well as direct deposit bank account info including routing numbers. This exposure poses significant risks such as identity theft and financial fraud for those affected. [1]
Considering the number of people impacted by this event, Cole & Van Note’s data breach attorneys are considering legal action on behalf of those affected. If you have received notice of this data security incident, we urge you to contact us so we can help you with your case.
With over 30 years of experience, our firm has represented millions of data breach clients in similar data breach cases getting big settlements and protecting their personal information.
































Data breaches happen in various ways. Here’s a general overview of common methods:
Data breaches happen in various ways. Here’s a general overview of common methods:

