Lighthouse Data Breach Letter: What Happened and Your Legal Options

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Got a data breach letter from Lighthouse?

Dapeer Law, P.A. is investigating a potential class action against Lighthouse (listed in state filings as Lighthouse Financial Network, LLC), whose financial professionals are licensed to sell securities and provide financial advice through Osaic, on behalf of people whose information may have been involved in an April 2026 incident involving unauthorized access to the email account of Arthur J. Gerry, a financial advisor with Lighthouse.

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New Hampshire residents affected
3
New Hampshire AG filing
Breach window
Apr 10 to 14, 2026
Unauthorized email account access
Notification delay
Apr 21 to Oct 6, 2026
Activity identified to letters mailed
Credit monitoring
One year
Identity monitoring through Kroll
Updates

Latest on the Lighthouse data breach

  • : Dapeer Law opened its investigation following notice filings posted by the New Hampshire Attorney General.
Eligibility

Who qualifies for the Lighthouse data breach investigation

You may be eligible to participate in a class action if any of the following applies:

  • You received a data breach notification letter from Arthur J. Gerry, a financial advisor with Lighthouse.
  • Your letter offered a complimentary identity monitoring membership through Kroll. The New Hampshire filing describes this as a one-year subscription to credit monitoring and identity theft protection services.
  • Your information was in an email or attachment in the email account of Arthur J. Gerry, a financial advisor with Lighthouse, that was accessible to an unauthorized actor between April 10 and April 14, 2026.
  • No proof of harm required to consult with counsel. You do not need to have already suffered identity theft to explore your legal options.
  • Excluded: individuals who did not receive a breach notice and whose information was not involved in the incident.

Not sure if you qualify?

Send us your notice, we'll confirm your eligibility at no cost.

Check eligibility →
Background

What happened in the Lighthouse data breach

Arthur J. Gerry is a financial advisor with Lighthouse. According to his notice, Lighthouse is not affiliated with Osaic Wealth, Inc., but its financial professionals are licensed to sell securities and provide financial advice through Osaic. Activity involving unauthorized access to Mr. Gerry's email account was first identified on April 21, 2026. An investigation with the assistance of cybersecurity professionals determined that an unauthorized actor accessed the account between April 10, 2026, and April 14, 2026.

The investigation was completed on September 14, 2026. The letter says a review of the emails and attachments that were accessible to the unauthorized actor identified that one of them contained the recipient's information. In the posted notice template, the specific data elements appear only as a placeholder. The New Hampshire filing states that the name and one or more of the following was involved for three New Hampshire residents: Social Security number or financial account number. The notice template also states that the incident involves 8 individuals in Rhode Island.

According to the New Hampshire filing, notification letters were sent by U.S. First-Class mail on October 6, 2026. The activity had first been identified on April 21, 2026. The filing states that recipients are offered a complimentary one-year subscription to credit monitoring and identity theft protection services, and the letter directs recipients to activate identity monitoring through Kroll. Dapeer Law is evaluating whether the security practices around this email account met legal standards and whether the time between identifying the activity and sending notice caused additional harm.

Top of the sample Lighthouse data breach notice letter filed with the New Hampshire Attorney General
Sample notice letter filed with the New Hampshire Attorney General. Your letter may look slightly different.
Email account breach Financial advisor Social Security numbers Financial account numbers Delayed notice New Hampshire AG filing
Action plan

What to do if you got a Lighthouse data breach letter

1

Keep your notice letter

Do not discard it. Your letter contains the membership number needed to activate the Kroll identity monitoring and is important evidence if you decide to participate in a lawsuit.

2

Activate the free Kroll identity monitoring

Activate the identity monitoring at enroll.krollmonitoring.com before the activation deadline printed in your letter, and review your account statements and credit reports for unauthorized activity. Accepting this benefit does not waive your right to pursue legal action.

3

Place a fraud alert or credit freeze

Contact Equifax, Experian, and TransUnion to place a fraud alert or freeze on your file. Request a free weekly credit report from AnnualCreditReport.com, and use the FTC's IdentityTheft.gov recovery guide.

4

Speak with a data breach attorney

Consultations with Dapeer Law are free and confidential. We'll review your notice, explain your options, and advise whether you may be eligible to join a class action.

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Timeline

Lighthouse breach timeline

Apr 10 to 14, 2026 Passed
Unauthorized access to Arthur J. Gerry's email account
Apr 21, 2026 Passed
Activity first identified, account secured
Sep 14, 2026 Passed
Investigation completed, affected information identified
Oct 6, 2026 Passed
Letters mailed, notice sent to New Hampshire AG
Pending Active
Potential class action filing
Statutes of limitations vary by state and legal theory, typically one to six years. Waiting can permanently bar your claim.
Possible recovery

Compensation you may be entitled to

Out-of-pocket expenses

Credit freezes, identity restoration services, and other costs incurred responding to the breach.

Time spent monitoring

Hours spent reviewing accounts, disputing fraudulent charges, and dealing with identity theft issues.

Identity theft & fraud losses

Unreimbursed funds stolen from accounts, unauthorized credit lines, or tax refund fraud tied to the breach.

Statutory damages

Certain state data breach and consumer protection statutes provide for fixed damages regardless of actual loss.

Injunctive relief

Court orders requiring stronger security practices for the email account and systems involved in this incident going forward.

Compensation categories depend on applicable state law, the types of data exposed, and documented losses. No recovery is guaranteed.

FAQ

Lighthouse data breach FAQ

I received a data breach letter from Lighthouse. What should I do? +

Keep the letter, activate the complimentary Kroll identity monitoring before the activation deadline printed in your letter, review your account statements and credit reports for unauthorized activity, consider a fraud alert or credit freeze, and contact a data breach attorney for a free consultation. Accepting the monitoring does not waive your right to pursue a claim.

Is the Lighthouse data breach letter real or a scam? +

This incident was reported to the New Hampshire Attorney General on behalf of Arthur J. Gerry, a financial advisor with Lighthouse. Compare your letter to the official filing linked in Sources below, and use only the enrollment website and phone number printed in your letter. Be cautious of unexpected calls, texts or emails about the breach that ask for your Social Security number or account login. If you are unsure, send your letter to Dapeer Law for a free review.

Am I eligible to join a class action against Lighthouse? +

If you received a notice letter from Arthur J. Gerry, a financial advisor with Lighthouse, about this incident, you may be eligible for a free case evaluation. Eligibility depends on your state of residence, the categories of your information that were involved, and any losses you have suffered. Dapeer Law will review your notice at no cost.

How much money could I receive from a class action lawsuit? +

Data breach class action recoveries vary significantly. Settlements typically range from a few hundred dollars for basic out-of-pocket losses to several thousand dollars for documented identity theft, with class size, damages, and negotiation all affecting the final amount. No payout is guaranteed, and this investigation has not yet resulted in a settlement.

What personal information was exposed in the breach? +

The letter says a review of the emails and attachments that were accessible to the unauthorized actor identified that one of them contained the recipient's information. In the posted notice template, the specific data elements appear only as a placeholder. The New Hampshire filing states that the name and one or more of the following was involved for three New Hampshire residents: Social Security number or financial account number. Your individual letter should list the information involved for you.

Did Lighthouse offer free credit monitoring? +

Yes. Arthur J. Gerry, a financial advisor with Lighthouse, is offering recipients a complimentary one-year subscription to credit monitoring and identity theft protection services. The letter says the identity monitoring is provided through Kroll, includes Credit Monitoring, Fraud Consultation, and Identity Theft Restoration, and that enrolling will not hurt your credit score. Activate before the deadline printed in your letter. Enrollment does not waive your right to pursue a claim.

How many people were affected by the Lighthouse breach? +

No company-reported total has been located. The notice template states that the incident involves 8 individuals in Rhode Island, and the New Hampshire filing states that information for three New Hampshire residents was involved. These are state counts, not a total. This page will be updated as more information becomes available.

Is there a deadline to take legal action? +

Yes. Statutes of limitations for data breach claims vary by state and legal theory, typically ranging from one to six years. Waiting can permanently bar your claim. Contact us as soon as possible for a free evaluation.

How do I get a copy of the official breach notice? +

The notice was filed with the New Hampshire Attorney General and is available through the New Hampshire Department of Justice's public data breach notification archive (linked in Sources below). If you received a letter but no longer have it, Dapeer Law can help you obtain a copy during your free consultation.

References

Sources & references

Attorney advertising. This page is provided for informational purposes only. It does not constitute legal advice or form an attorney-client relationship. Dapeer Law, P.A. is not affiliated with Lighthouse Financial Network, LLC (Lighthouse), Kroll, or any credit bureau. Prior results do not guarantee a similar outcome. Information regarding the data incident is drawn from official filings with the New Hampshire Attorney General.
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Rachel Dapeer, Esq.

Rachel Dapeer is the founding partner of Dapeer Law, P.A., a consumer class action firm with offices in Florida, California, New York, New Jersey, and Illinois. With about 15 years of class action experience, she represents consumers in data breach, privacy, and consumer protection cases. She is admitted to practice in Florida, New York, New Jersey, and Illinois. Hear her hot takes on tiktok: @thatattorneyrachel

https://www.dapeer.com/rachel-dapeer
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