Brown Advisory LLC Reports Cybersecurity Incident to New Hampshire Regulators

Brown Advisory LLC, an investment management and wealth advisory company, filed notice with the New Hampshire Attorney General regarding a cybersecurity incident. The company reported this incident on March 6, 2026. This disclosure confirms that unauthorized parties gained access to the network infrastructure where confidential client records were maintained.

The official filing indicates that this unauthorized access compromised sensitive personal information. While the specific types of data exposed were not detailed in the public record, such incidents typically place individuals at increased risk.

Because personal information may have been accessed, affected individuals should remain vigilant. This includes closely monitoring all financial accounts and credit reports for any suspicious activity or unauthorized transactions.

Additionally, be cautious of unexpected communications, such as emails, text messages, or phone calls, that request personal details. These could be phishing attempts designed to trick you into revealing more information. Verify the legitimacy of any such requests directly with Brown Advisory using official contact methods.

These details about the breach come from the official public filing submitted to the New Hampshire Attorney General's office. The company continues to investigate the scope and nature of the incident.