Did SouthEast Series of Lockton Companies, LLC. (“Lockton”) Addendum have a data breach?

In plain terms

SouthEast Series of Lockton Companies, LLC. (Lockton) is a prominent global insurance brokerage and risk management firm that handles sensitive client information. As an insurance-related entity, Lockton typically collects and stores extensive personal and financial data, including Social Security numbers, policy details, and sensitive account information required for underwriting and claims processing. This data breach was officially reported to the Delaware Attorney General in 2025, confirming that unauthorized parties may have accessed sensitive records. If you received a data breach notification letter from Lockton, it indicates that your personal information was likely contained within the impacted systems. This page provides an overview of the incident to help you understand the nature of the exposure and the steps you should take to protect your identity and financial security.