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Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare (“Harvard Pilgrim”) data breach investigation

Harvard Pilgrim Healthcare has filed a supplemental data breach notice with Delaware authorities regarding an incident affecting personal information. This new filing, dated August 7, 2026, suggests further details or an extension of previously reported security events from 2023. Individuals who received a notification letter should understand what this new development means for their exposed data.

Filed
August 7, 2026
Regulator
DE AG
People affected
Not stated
File status
New

What the filing confirms

  • Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare (“Harvard Pilgrim”) reported the incident to the DE Attorney General.

Still unknown

  • Which categories of personal information were taken. The filing does not list them.
  • How many people were affected. The filing does not give a number.
  • What caused the incident beyond the description in the filing.
  • How the attackers got in, and whether basic safeguards such as multi-factor sign-in were in place.

Investigation notes

Harvard Pilgrim Healthcare, a health services company, has submitted a supplemental data breach notification to the state of Delaware, dated August 7, 2026. This filing comes as an addition to earlier notices issued in June, July, and August of 2023, confirming that personal information was exposed due to a security incident.

The term "supplemental" suggests that this is not necessarily a new, separate breach event, but rather an update or an expansion of information concerning the ongoing situation first reported in 2023. While the specific nature of the breach and the types of personal information involved remain unspecified in the filing, the company's continuous reporting underscores the seriousness of the incident and its potential long-term impact on affected individuals.

Receiving such a notice indicates that your personal information was compromised. Although the filing does not detail what specific data was affected, it is prudent to assume that any exposed information could be used for identity theft or other fraudulent activities. This calls for heightened vigilance on your part in the coming months.

We advise individuals who receive a notification to monitor their financial accounts and credit reports closely for any unusual activity. Consider placing a fraud alert or security freeze on your credit files to prevent new accounts from being opened in your name. Remain cautious of unsolicited communications, especially those asking for personal details, as scam artists often exploit news of data breaches.

Our firm views this as an open investigation into Harvard Pilgrim Healthcare's conduct, particularly regarding the security safeguards in place, the duration attackers may have had access to systems, and the timeliness of all notifications. We aim to understand if the company met its legal obligations to protect your data and inform you promptly.

If you have received a data breach notification from Harvard Pilgrim Healthcare, you may be entitled to seek compensation for damages or losses incurred. Our team is offering a free, no-obligation case review to help you understand your legal options and how to proceed.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare (“Harvard Pilgrim”) used reasonable security, how long it kept the data, and how quickly it told the people affected. Those questions decide whether a class action or individual claim is possible. Read more on how ransomware lawsuits work, or browse other incident files in DE.

Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare data breach questions

Is the Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare data breach letter legit or a scam?
A notice from Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare in the mail matches the breach Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare reported to the DE Attorney General on August 7, 2026. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare through a phone number or website you find yourself.
Did Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare offer free credit monitoring?
Check your letter from Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Signing up doesn't waive any legal rights you may have.
Is there a Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
What should I do after getting the Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Do I need a Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.
Can I sue Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare over the data breach?
It depends on what was exposed, the law in DE and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
How much could a Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare data breach settlement or claim be worth?
There is no set amount, and no Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.

Other open files in DE

Attorney advertising. An incident file reflects a public regulator filing and our review of it; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.