Brown Advisory LLC Data Breach Notice (Massachusetts Attorney General)
If you received a notice from Brown Advisory LLC, here’s what the filing says was exposed, and what to do about it.
Brown Advisory LLC notified Massachusetts residents of a data breach in a filing reported to the Massachusetts Office of Consumer Affairs on March 03, 2026, and the notice lists social security numbers, financial account numbers and driver's license numbers among the information exposed.
What to do now
Steps that match what this notice says was exposed
Every step below is free and you do it yourself, and none of it depends on Brown Advisory LLC.
- Freeze your credit — this is the one that matters. A freeze is free, it takes minutes, and it has to be done separately at all three bureaus: Equifax, Experian and TransUnion. It stops a new account being opened in your name, which is what a Social Security number in the wrong hands is for. You can lift it temporarily whenever you need credit.
- Tell your bank before you do anything else. Account and routing details are the fastest-moving of the fields in this notice. Call the number on the back of your card rather than any number in an email, and ask them to watch the account and reissue the card.
- Report the licence number to your state DMV. Most states will note the number as compromised, and some will issue a new one. It is the field that turns a stolen identity into a usable one in person.
One more, whatever was exposed: a breach notice is a favourite disguise for a phishing email. If a message about this arrives, do not use its links — go to the company’s site yourself, or call the number on your statement.
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