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Marble Harbor Investment Counsel, LLC data breach investigation

Marble Harbor Investment Counsel, an investment firm, reported a data security incident to the New Hampshire Attorney General on May 21, 2026. This incident may have exposed personal information belonging to its clients. If you received a notification letter, understanding the details is important for protecting your privacy and exploring potential legal avenues regarding the firm's safeguards.

Filed
May 21, 2026
Regulator
New Hampshire AG
People affected
Not stated
File status
Investigation Open

What the filing confirms

  • Marble Harbor Investment Counsel, LLC reported the incident to the New Hampshire 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

Marble Harbor Investment Counsel, LLC, a New Hampshire-based investment advisory firm, officially reported a data security incident to the New Hampshire Attorney General on May 21, 2026. While the company's filing acknowledges unauthorized access to its systems, the specific nature of this incident remains undescribed in the public record. This lack of detail means the precise method used to compromise their systems, such as a network intrusion or other vulnerability, is currently unknown.

The report from Marble Harbor Investment Counsel, LLC confirms that personal information was involved in this security event. However, the exact categories of data accessed or acquired, and the number of individuals affected, have not been disclosed in the public filing. Our investigation focuses on understanding the full scope of this incident and what specific data points, if any, may have been compromised during the unauthorized access.

As a financial institution handling sensitive client data, Marble Harbor Investment Counsel has a legal obligation to protect your information. A key aspect of our inquiry will be to determine the 'dwell time'—how long the unauthorized party may have had access to the firm's systems before the incident was detected and contained. The official filing does not specify a breach date, leaving this crucial timeline open to further examination.

If you have received a data breach notification letter from Marble Harbor Investment Counsel, it is crucial to review it carefully. This letter should provide more specific details about the incident and how it might impact your personal information. Be vigilant for any unusual activity in your accounts or communications, as this could signal misuse of your data.

Understanding your rights and potential recourse in the wake of a data breach is important. Our firm is investigating the circumstances surrounding this incident, particularly whether Marble Harbor Investment Counsel, LLC implemented adequate security measures to protect client data. If your personal information was exposed due to this breach, you may be entitled to compensation for potential damages. We offer a free, no-obligation case review to discuss your situation.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether Marble Harbor Investment Counsel, LLC 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 New Hampshire.

Marble Harbor Investment Counsel, LLC data breach questions

Is the Marble Harbor Investment Counsel, LLC data breach letter legit or a scam?
A notice from Marble Harbor Investment Counsel, LLC in the mail matches the breach Marble Harbor Investment Counsel, LLC reported to the New Hampshire Attorney General on May 21, 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 Marble Harbor Investment Counsel, LLC through a phone number or website you find yourself.
Did Marble Harbor Investment Counsel, LLC offer free credit monitoring?
Any free monitoring Marble Harbor Investment Counsel, LLC is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Using the free service won't stop you from joining a lawsuit or settlement later.
Is there a Marble Harbor Investment Counsel, LLC 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 Marble Harbor Investment Counsel, LLC. 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 Marble Harbor Investment Counsel, LLC 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 Marble Harbor Investment Counsel, LLC 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 Marble Harbor Investment Counsel, LLC over the data breach?
It depends on what was exposed, the law in New Hampshire 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 Marble Harbor Investment Counsel, LLC data breach settlement or claim be worth?
There is no set amount, and no Marble Harbor Investment Counsel, LLC 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 New Hampshire

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.