Yale New Haven Health Data Breach Investigation

Strauss Borrelli PLLC, a leading data breach law firm, is investigating Yale New Haven Health (“YNHHS”) regarding its recent data breach. TheYNHHSdata breach involved sensitive personal information and protected health information belonging to an undetermined number of individuals. 

ABOUT YALE NEW HAVEN HEALTH:

YNHHS is a professional, healthcare system that provides support in over 100 specialties for individuals and families.2 Founded in 1996, YNHHS offers a central place for patients to schedule appointments, access hospitals and clinics, meet physicians and specialist, and view patient records, accounts, and more.2 YNHHS is headquartered in New Haven, Connecticut, with five hospitals and ties to Yale University.3 Today, YNHHS employs over 10,000 individuals.3 

WHAT HAPPENED?

Recently, YNHHS announced that it had experienced a data breach in which sensitive identifiable patient information in its care may have been accessed.1 According to the breach notice, on March 8, 2025, YNHHS became aware of suspicious activity affecting their IT servers.1 As a result, YNHHS launched an investigation to determine the nature of the incident. 

Through its investigation, YNHHS confirmed that sensitive patient information in their network belonging to patients may have been copied and obtained by an unauthorized third party.1 As a result, YNHHS began a review of the data to determine what information had been impacted, as well as identify specific individuals affected.  While the information taken varies depending on the individual, the type of information potentially at risk includes:  

  • Name 
  • Social Security number 
  • Date of Birth 
  • Address 
  • Telephone number 
  • Email address 
  • Patient type 
  • Medical record number 

 

On April 11, 2025, YNHHS released a statement announcing that patient information may have been compromised and taken. Based on the breach notice posted to their website, YNHHS is mailing affected individuals with a list of the specific types of sensitive information impacted and offering complimentary credit monitoring and identity protection services. A link to the recent breach notification letter that YNHHS posted to its website is below. 

If you received a breach notification letter from Yale New Haven Health:

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.

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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