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MonitoringWashington AG filing · March 3, 2026

Brown Advisory LLC Data Breach: Your Claim for Exposed Personal Data

Brown Advisory LLC reported a data breach in Washington, potentially exposing sensitive client information including Full Name, Social Security Number, and Financial Account Number. If you received a notification, your personal data is at risk, and you may be entitled to financial compensation.

This breach is real, not a scam. Brown Advisory LLC officially reported it to the Washington Attorney General on March 3, 2026.

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

Received a Brown Advisory LLC notification letter? Find out in minutes if you qualify for compensation.

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State
Washington
Reported
March 3, 2026

What may have been exposed

  • Full Name
  • Social Security Number
  • Date of Birth
  • Financial Account Number
  • Routing Number
  • Tax Identification Number
  • Investment Portfolio Details
  • Mailing Address
  • Email Address
  • Phone Number

Brown Advisory LLC, an investment management firm, recently announced a data breach affecting its clients. Filed on March 3, 2026, with the Washington Attorney General, this incident means sensitive personal and financial details may have been compromised. The exposed information includes Full Name, Social Security Number, Date of Birth, Financial Account Number, Routing Number, Tax Identification Number, Investment Portfolio Details, Mailing Address, Email Address, and Phone Number.

For individuals impacted by the Brown Advisory LLC data breach, the risks are significant. With sophisticated financial data like Investment Portfolio Details and Financial Account Numbers exposed, you could face severe threats such as financial account takeover, identity theft, and targeted phishing attempts. Your personal details, like Social Security Number and Date of Birth, are especially valuable to criminals for opening fraudulent accounts or misusing your identity.

Companies like Brown Advisory LLC are legally obligated to protect your private information. When a data breach occurs, it raises serious questions about the security measures in place. This includes ensuring robust technical safeguards and vigilant monitoring to prevent unauthorized access to sensitive client data.

If you received a data breach notification letter from Brown Advisory LLC, take immediate action to protect yourself. Review all financial statements and credit reports for any suspicious activity. Consider placing a fraud alert or security freeze on your credit. Be extremely cautious of unsolicited emails, calls, or texts, as you may be targeted by scammers using your exposed information.

A data breach notification letter confirms your eligibility to seek legal recourse. You may be able to join a class action lawsuit to hold Brown Advisory LLC accountable for this exposure. Our firm offers a free, no-obligation case review to help you understand your options. You pay no legal fees unless we successfully recover compensation for you.

Received the Brown Advisory LLC notification letter? The Brown Advisory LLC 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.

  • Guard against tax fraud

    File your tax return as early as possible and consider requesting an IRS Identity Protection PIN so no one can file a fraudulent return in your name.

  • 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.

  • Secure your online accounts

    Change the password on any account that reused an exposed password and turn on two-factor authentication wherever it's offered.

  • 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.

Brown Advisory LLC data breach settlement, compensation and claim questions

How much could a Brown Advisory LLC data breach settlement or claim be worth?
There is no set amount, and no Brown Advisory 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. 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.
Is there a Brown Advisory 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 Brown Advisory 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.
How many people were affected by the Brown Advisory LLC 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, Tax Identification Number, Investment Portfolio Details, Mailing Address, Email Address, Phone Number. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Can I sue Brown Advisory LLC over the data breach?
It depends on what was exposed, the law in Washington 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.
Did Brown Advisory LLC offer free credit monitoring?
Any free monitoring Brown Advisory LLC 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 the Brown Advisory LLC data breach letter legit or a scam?
A notice from Brown Advisory LLC in the mail matches the breach Brown Advisory LLC reported to the Washington Attorney General on March 3, 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 Brown Advisory LLC through a phone number or website you find yourself.
Do I need a Brown Advisory LLC data breach lawyer or attorney?
A data breach lawyer can tell you whether your situation supports a claim and what it may be worth. A review here is free, and law firms usually take these cases on contingency, so there is no upfront cost.
Where can I see the official Brown Advisory LLC breach notice?
Brown Advisory LLC's report is published by the Washington Attorney General: https://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA36893.pdf Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the Brown Advisory 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.

Source: Washington Attorney General filing

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