Glencoe Capital Data Breach Investigation

Strauss Borrelli PLLC, a leading data breach law firm, is investigating Glencoe Capital, LLC (“Glencoe”), regarding its recent data breach. The Glencoe data breach involved sensitive personal identifiable information belonging to an unknown number of individuals.

ABOUT GLENCOE CAPITAL, LLC:

Glencoe is a private equity firm based in New Hampshire. Founded in 1994, Glencoe focuses on lead-sponsored acquisitions and growth equity investments in lower middle-market companies.2 Additionally, Glencoe’s affiliate group companies are alternative asset management firms  Glencoe Capital, LLC, Glencoe Capital Michigan, LLC, Glencoe Capital Management, LLC, its lead-sponsor buyout firms, and Stockwell Capital, its private equity co-investment firm.2 Located in Manchester, New Hampshire, Glencoe employs over 10 individuals.3,4

WHAT HAPPENED?

Recently, Glencoe reported to the Attorney General of New Hampshire that it had experienced a data breach in which sensitive personal identifiable information in its systems may have been compromised. According to the breach notice, on May 2 to May 5, 2025, an exfiltration cybersecurity event of unauthorized access to electronic files occurred, during which certain Glencoe files were copied and a ransom demanded.1 

As a result, Glencoe began a review of the data to determine what information had been impacted as well as identify the specific individuals affected. While the information impacted varies depending on the individual, the type of information potentially exposed includes:

  • Name
  • Social Security number
  • Address or other contact information
  • Driver’s license number

 

By August 15, 2025, Glencoe began mailing data breach notification letters to impacted individuals. Based on the breach notice sent to New Hampshire residents, Glencoe is providing affected individuals with a list of the specific types of sensitive information impacted and complimentary credit monitoring services. A link to the form breach notification letters that Glencoe filed with the Attorney General of New Hampshire is below.

If you received a breach notification letter from Glencoe Capital, LLC:

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