Brown Advisory LLC Reports Cybersecurity Incident to NH AG

Brown Advisory LLC, an investment management and wealth advisory firm, recently reported a cybersecurity incident. The company notified the New Hampshire Attorney General on March 6, 2026, about unauthorized access to its network. This filing indicates that confidential client records stored on their systems may have been compromised.

The incident involved unauthorized parties gaining access to the company's network infrastructure. As a result, certain client data housed within these systems was exposed. The specifics of the information involved have not been publicly detailed beyond the general acknowledgment of personal information.

When personal information is exposed, affected individuals may face an increased risk of various security threats. These can include attempts at identity theft, targeted phishing scams, or other fraudulent activities. Such exposures can create long-term privacy concerns.

If you received a data breach notification letter directly from Brown Advisory LLC, it means your personal information may have been involved in this incident. It is important to carefully review the information provided in that letter. This document should outline any specific types of data exposed and any protective services offered by the company.

To help protect yourself, consider implementing widely recommended security practices. These include monitoring your financial accounts and credit reports for any suspicious activity. You may also want to consider placing a fraud alert or security freeze on your credit files, though always verify current instructions with credit reporting agencies. This information is based on public filings submitted to the New Hampshire Attorney General's office, and the investigation into the full scope and impact of this cybersecurity incident is ongoing.