UPDATED:    October 27, 2025

Harbor Data Breach Lawsuit

Data Breach Summary

Harbor

Who Was Affected
Clients of Harbor
Impacted Data
Name and Social Security Number
Date of Breach
May 20, 2025
Have you been affected by Harbor's data breach?

Harbor has recently informed individuals about a data breach that may have compromised their sensitive personal information. The breach, which occurred between July 25 and August 1, 2025, involved unauthorized access to files on Harbor’s network. While there is no evidence of identity theft so far, Harbor is notifying those potentially impacted by the incident.

Harbor’s Data Breach Investigation

On August 1, 2025, Harbor detected suspicious activity on its computer network and immediately launched an investigation. The investigation revealed that an unauthorized actor accessed and took certain files from Harbor’s network between July 25 and August 1, 2025. Once the breach was confirmed, Harbor worked to determine the specific files involved and identify which individuals’ information had been compromised.

The affected information varies by individual but may include a combination of sensitive data such as personal and financial details. Harbor conducted a comprehensive review of the impacted files to identify the type of information exposed. The company has since notified affected individuals through various means, including postings on its website, media announcements, and written notices.

Although Harbor has not yet found any evidence of identity theft or fraud resulting from this breach, they are taking preventive measures and offering resources to help those affected protect their information.

When Did This Breach Occur?

The breach was discovered on August 1, 2025, but the unauthorized access took place between July 25 and August 1, 2025. Harbor began notifying affected individuals on September 30, 2025, and continued outreach with written notices to Maine residents in late October.

What Information Was Breached?

The types of information potentially exposed during this breach include:

  • Name
  • Address
  • Date of Birth
  • Social Security Number
  • Driver’s License Number or Other State Identification Number
  • Medical Diagnosis and Treatment Information
  • Clinical Information
  • Financial Account Information
  • Health Insurance Information

The specific details involved vary by individual, but these are the categories of information that could have been compromised.

What You Can Do

If you believe your personal information was affected by this breach, here are several steps you can take to protect yourself:

  1. Monitor Your Accounts: Check your financial and medical accounts regularly for any unauthorized transactions or suspicious activity.
  2. Review Your Credit Reports: You can request free credit reports from the three major credit bureaus—Equifax, Experian, and TransUnion. Look for any signs of fraud or errors.
  3. Place Fraud Alerts: Consider placing fraud alerts on your credit reports to notify creditors to take extra steps in verifying your identity before extending credit in your name.
  4. Consider a Credit Freeze: A credit freeze makes it harder for identity thieves to open new accounts in your name.
  5. Use the Credit Monitoring Service: Harbor is offering complimentary credit monitoring services through Epiq for those affected by the breach. This will help you stay alert for any potential signs of fraud.
  6. Report Identity Theft: If you suspect your identity has been stolen, contact the Federal Trade Commission (FTC), your state Attorney General’s office, and law enforcement.

Taking these steps can help you minimize any risks associated with the breach and better protect your sensitive information.

File a Data Breach Lawsuit Against Harbor

If you have received a data breach notification from Harbor, you may be eligible for compensation through a class action lawsuit. Data breaches can cause substantial personal and financial harm, and holding the responsible parties accountable is crucial to ensuring justice for those affected.

If you’re unsure whether you have a case, we highly recommend contacting Class Action U for a free consultation. We partner with top-notch legal representation to navigate this complex process. Joining a class action can amplify your voice and help ensure that data breaches like this are taken seriously by corporate entities.

If your data was compromised, you could be entitled to compensation for:

  • Loss of privacy

  • Time spent resolving the breach

  • Out-of-pocket expenses

  • Emotional distress

By pursuing a class action lawsuit, you not only have the opportunity to recover damages but also help hold Harbor, accountable potentially prompting them to strengthen their security measures. Reach out to Class Action U today to find out if you qualify for a data breach class action and learn more about the compensation you may be entitled to.

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