Maryhaven Data Breach Investigation

Strauss Borrelli PLLC, a leading data breach law firm, is investigating Maryhaven, Inc. regarding its recent data breach. The Maryhaven data breach involved sensitive personal information and protected health information for an undetermined number of individuals.

ABOUT MARYHAVEN, INC.:

Maryhaven is a non-profit addiction treatment center in Ohio. Founded in 1953, originally as Sisters of the Good Shepherd, Maryhaven’s four facilities serve to aid individuals struggling with addiction disorders and mental illnesses.3 Additionally, Maryhaven’s facilities support individuals in all stages of recovery by providing residential and out-patient services, multiple forms of therapy, and medically assisted treatment.2 Headquartered in Colombus, Ohio, Maryhaven employs over 200 individuals.2

WHAT HAPPENED?

Recently, Maryhaven announced that the sensitive personal identifiable information and protected health information in its care may have been accessed. According to the breach notice, on June 1, 2024, Maryhaven discovered unauthorized activity in its network.1 As a result, Maryhaven launched an investigation to determine the nature of the incident.

Through its investigation, Maryhaven confirmed that an unauthorized actor gained access to its systems on May 30, 2024.1 As a result, Maryhaven began a review of the data to determine what information was impacted, and identify the specific individuals affected.1 On February 12, 2025, Maryhaven completed this review.1 While the information impacted varies depending on the individual, the type of information potentially exposed includes:

  • Name
  • Social Security number
  • Date of birth
  • Address
  • Phone number
  • Email address
  • Driver’s license
  • Medical diagnosis or condition
  • Health insurance information

 

As a result of the data breach, Maryhaven posted a notice of the incident on its website. Additionally, Maryhaven is sending breach notification letters to impacted individuals on a rolling basis.1 Based on the website breach notice, Maryhaven is providing affected individuals with a list of the specific types of sensitive information impacted and 12 months of complimentary credit monitoring services.1 A link to the form breach notification that Maryhaven posted to its website is below.

If you received a breach notification letter from Maryhaven, Inc.:

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 872.263.1100 or sam@straussborrelli.com.

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What can you do if you were impacted by a data breach?

If you were impacted by a 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 the company;
  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.

Contact Us Now

Please enable JavaScript in your browser to complete this form.
Name
Terms & Conditions and Privacy Policy

What can you do if you were impacted by a data breach?

If you were impacted by a 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 the company;
  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.

One Magnificent Mile
980 N Michigan Avenue, Suite 1610
Chicago, Illinois 60611

Phone: 872.263.1100
Toll Free: 866.748.6220

One Magnificent Mile
980 N Michigan Avenue, Suite 1610
Chicago, Illinois 60611

Phone: 872.263.1100
Toll Free: 866.748.6220

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©2025 STRAUSS BORRELLI PLLC. ALL RIGHTS RESERVED. ATTORNEY ADVERTISING.

PRIVACY POLICY  |  TERMS & CONDITIONS  |  COOKIE POLICY