DisclosureLens
Social EngineeringFinancial ServicesFinancePhishingCustomer Data InvolvedTargetedIdentity (basic)Government IDFinancial accountMediumContained

BROWN ADVISORY LLC

bd_dababfc4892eacd6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 21, 2026

Filed

Mar 6, 2026

To disclose

6 weeks

Affected

8state residents only

Linked

5 filings

Confidence

67%
Full breach record for BROWN ADVISORY LLC

Brown Advisory LLC reported a social engineering/phishing incident to the New Hampshire Attorney General on March 6, 2026. The breach, discovered on January 21, 2026, affected approximately 8 New Hampshire residents. The threat actor gained unauthorized access to a limited set of applications for less than six hours, potentially exposing names, SSNs, driver's license images, passport images, and financial account numbers. Brown Advisory engaged forensic experts, notified law enforcement, contained the threat, and is offering 24 months of credit monitoring via Experian.

Incident timeline

discovery → filing · 6 weeks / 44 days

Jan 21, 2026

Discovered

Mar 6, 2026

Filed

vs. sector median

3 wks faster

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 5 states

View merged incident ↗
Maine State AGMar 3 · first
Indiana State AGMar 3 · first
Washington State AGMar 3 · first
New Hampshire State AG+3d · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.