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Got a notice from AssetMark, Inc.? Here’s what to do.

AssetMark, Inc. told the Oregon Attorney General that people’s information was exposed. If you got a letter, work through the steps below.

Your checklist

  1. 1

    Keep the letter

    Save the notice from AssetMark, Inc. and its envelope. The date you were told can matter for legal deadlines.

  2. 2

    Freeze your credit

    Your Social Security number is listed in the filing. A free freeze at Equifax, Experian and TransUnion stops new accounts being opened in your name.

  3. 3

    Call your bank

    Account or card information is listed. Ask your bank for a new card number and watch statements for small test charges.

  4. 4

    Get a free claim review

    Our legal team checks whether you can be paid for this breach. No fee unless you recover.

Step 4: free claim review

Tell us you got the AssetMark, Inc. notice. An attorney, not a call center, reads it and tells you plainly whether you have a claim.

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About the AssetMark, Inc. breach

Reported to
Oregon Attorney General
Date filed
June 11, 2026
People notified
Not stated
Cause in filing
Not stated

Information listed in the filing: Full Name, Social Security Number, Date of Birth, Financial Account Number, Routing Number, Investment Portfolio Details, Transaction History, Mailing Address.

AssetMark, Inc. operates as a prominent turnkey asset management program (TAMP) and wealth management platform, serving independent financial advisors, investment firms, and their high-net-worth clients. Because of its core business model, AssetMark sits at the critical intersection of wealth management, financial advisory services, and custodial banking operations. The company routinely collects, processes, and stores vast quantities of high-value personal and financial information required to execute trades, manage investment portfolios, and administer retirement and brokerage accounts on behalf of consumers across the country.

In 2026, AssetMark, Inc. reported a significant security incident to the Oregon Attorney General, raising serious concerns among investors, account holders, and financial professionals whose sensitive records were maintained within the company's network infrastructure. While investigations into wealth management and financial technology breaches frequently reveal sophisticated cyberattacks—such as credential harvesting, unauthorized database access, or vulnerabilities within third-party vendor software—the incident underscores the growing risk profile of financial intermediaries who centralize massive volumes of proprietary and consumer wealth data in digital environments.

Data breach notifications stemming from financial and wealth management platforms typically involve the exposure of core identifiers and deep financial records, including Full Names, Social Security Numbers, Dates of Birth, Financial Account Numbers, Routing Numbers, and detailed Investment and Transaction Histories. The compromise of this specific data combination creates severe, long-term risks for victims. Unlike simple credential leaks, exposed financial account and Social Security data can be weaponized by bad actors to execute unauthorized wire transfers, drain investment accounts, establish fraudulent lines of credit, or orchestrate targeted spear-phishing campaigns designed to intercept ongoing financial transactions.

As a financial services entity handling non-public personal information, AssetMark, Inc. was bound by stringent regulatory frameworks, most notably the Gramm-Leach-Bliley Act (GLBA) and applicable state data security and consumer protection statutes. These laws mandate rigorous administrative, technical, and physical safeguards to protect sensitive customer records from unauthorized disclosure or cyber threats. The occurrence of a data breach of this magnitude serves as a strong indicator of potential institutional failures in maintaining adequate network segmentation, encryption protocols, vendor oversight, or timely vulnerability patching, exposing the company to significant legal liability under statutory and common law doctrines.

For consumers and investors who received a data breach notification letter from AssetMark, Inc., the notice represents formal acknowledgement that their confidential financial and personal records were compromised while under the company's care. Legally, the receipt of this letter establishes the foundational standing necessary to participate in a class action lawsuit aimed at holding the corporation accountable for failing to secure sensitive data. Prospective class members should know that demonstrating immediate out-of-pocket financial loss is not a prerequisite to joining the litigation, and our firm handles these complex data privacy cases on a strict contingency fee basis, meaning there are never any out-of-pocket costs or attorney fees unless we successfully recover compensation on your behalf.

Given AssetMark's prominent position within the independent wealth advisory ecosystem, the exposure of account and identity data across thousands of client portfolios highlights systemic vulnerabilities within the financial technology sector, reinforcing the urgent need for robust judicial oversight and institutional accountability.

See the official filingFull ransomware checklist

AssetMark, Inc. data breach questions

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 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.
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.
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.
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.
Do I need a AssetMark, Inc. 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 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 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.

Other notices sent in Oregon

Attorney advertising. This page reflects a public regulator filing; 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.