Brown Advisory LLC data breach

Clerk's notes

Brown Advisory LLC, a prominent investment management and wealth advisory firm, formally reported a cybersecurity incident to authorities in Washington on March 3, 2026. Given the sophisticated financial services provided by the firm, it routinely handles extensive confidential client data, making the security of this information paramount.

The reported breach implicated several critical categories of personal and financial data. Individuals affected may have had their 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 exposed. Such comprehensive data sets are highly valuable to malicious actors.

For those impacted, the exposure of these details from a wealth advisory firm carries significant risks. It could lead to unauthorized access to existing financial accounts, fraudulent applications for credit, or even targeted schemes designed to exploit knowledge of complex investment portfolios. The scope of information reportedly compromised could facilitate sophisticated identity theft and financial fraud.

Financial institutions like Brown Advisory LLC are subject to strict regulatory requirements under laws such as the Gramm-Leach-Bliley Act and the Washington State Data Breach Notification Act, which mandate robust data protection measures. The occurrence of a data breach suggests that these mandatory safeguards may not have been sufficient to prevent unauthorized access to sensitive client information.

Receiving a notification letter regarding this incident confirms that your data was involved. This situation may provide a basis for legal action to hold the company accountable for its data security practices. You do not need to have already experienced financial loss to seek legal review. Our firm evaluates these cases without any upfront cost, meaning you pay nothing unless we successfully secure compensation on your behalf.

If a notification letter about this breach reached you, see every Washington data breach on file or browse all cases.