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MonitoringOregon AG filing · June 11, 2026

AssetMark Data Breach Exposes Investment Account Details

AssetMark, Inc. recently reported a data breach to the Oregon Attorney General, impacting individuals whose sensitive financial and personal information was stored on the company's systems. This incident means account holders and investors could face heightened risks of identity theft and financial fraud, and victims should understand their legal options to seek accountability.

This breach is real, not a scam. AssetMark, Inc. officially reported it to the Oregon Attorney General on June 11, 2026.

Reviewed by David S. Harris, Esq., data breach and class action attorney (Florida Bar No. 0112739). Free consultation: 786-306-7278

Received a AssetMark, Inc. notification letter? Find out in minutes if you qualify for compensation.

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State
Oregon
Breach date
May 15, 2026
Reported
June 11, 2026

What may have been exposed

  • Full Name
  • Social Security Number
  • Date of Birth
  • Financial Account Number
  • Routing Number
  • Investment Portfolio Details
  • Transaction History
  • Mailing Address

AssetMark, Inc., a prominent wealth management platform, reported a data security incident to the Oregon Attorney General on June 11, 2026. The breach, which occurred on or about May 15, 2026, involves the exposure of sensitive consumer data maintained within AssetMark's network infrastructure. This event raises significant concerns for investors and account holders.

The compromised information includes Full Name, Social Security Number, Date of Birth, Financial Account Number, Routing Number, Investment Portfolio Details, Transaction History, and Mailing Address. The exposure of such detailed financial records, particularly Social Security Numbers and account data, creates substantial long-term risks for those affected, including potential unauthorized account access and identity theft.

As a financial services entity, AssetMark, Inc. is obligated by laws like the Gramm-Leach-Bliley Act to implement robust security measures to protect client data. The occurrence of this breach suggests potential failures in safeguarding highly confidential financial and personal records, which could make the company legally liable for the incident.

If you received a data breach notification letter from AssetMark, Inc., it confirms your information was compromised while under their care. This notification is crucial as it establishes your standing to participate in legal action aimed at holding the company accountable. Our team handles these cases on a contingency fee basis, meaning you pay no out-of-pocket costs unless we recover compensation for you.

Understanding the potential impact of this breach is essential. We offer free case reviews to help you understand your rights and explore whether joining a class action lawsuit is appropriate for your situation. Our dedicated legal team is prepared to assist you through this process.

Received the AssetMark, Inc. notification letter? The AssetMark, Inc. case file tracks this filing.

What to do if you were affected

Based on the categories of information reported in this filing, these steps can help limit the risk of identity theft and fraud.

  • Freeze your credit

    Place a free credit freeze with Equifax, Experian, and TransUnion. A freeze blocks new accounts from being opened in your name and can be lifted anytime.

  • Watch your financial accounts

    Review bank and card statements for unfamiliar activity and turn on transaction alerts. Report anything you don't recognize to your bank right away.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

AssetMark, Inc. data breach lawyer, lawsuit and letter questions

Do I need a AssetMark, Inc. data breach lawyer or attorney?
You don't need to pay to find out. Our data breach attorneys review notices like this one for free, and data breach cases are usually handled on contingency — no fee unless money is recovered for you.
Can I sue AssetMark, Inc. over the data breach?
It depends on what was exposed, the law in Oregon 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 many people were affected by the AssetMark, Inc. data breach, and what was exposed?
The filing does not give a count of affected people and lists the following information as involved: Full Name, Social Security Number, Date of Birth, Financial Account Number, Routing Number, Investment Portfolio Details, Transaction History, Mailing Address. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Is there a AssetMark, Inc. 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 AssetMark, Inc.. 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.
Is the AssetMark, Inc. data breach letter legit or a scam?
A notice from AssetMark, Inc. in the mail matches the breach AssetMark, Inc. reported to the Oregon Attorney General on June 11, 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 AssetMark, Inc. through a phone number or website you find yourself.
Did AssetMark, Inc. offer free credit monitoring?
Any free monitoring AssetMark, Inc. is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Enrolling does not give up your right to bring a claim.
How much could a AssetMark, Inc. data breach settlement or claim be worth?
There is no set amount, and no AssetMark, Inc. 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. The filing lists Full Name, Social Security Number, Date of Birth as involved. Keep receipts and records; they're what damages claims are built on.
Where can I see the official AssetMark, Inc. breach notice?
AssetMark, Inc.'s report is published by the Oregon Attorney General: https://justice.oregon.gov/consumer/databreach/#AssetMark%2C%20Inc.-2026-06-11 Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the AssetMark, Inc. 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.

Source: Oregon Attorney General filing

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